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  <xs:element id="jrvr_ScheduleOfAcquiredIntangibleAssetsTable" abstract="true" name="ScheduleOfAcquiredIntangibleAssetsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="jrvr_LossPortfolioTransferMember" abstract="true" name="LossPortfolioTransferMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_SmallBusinessMember" abstract="true" name="SmallBusinessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_ExcludingCommercialAutoMember" abstract="true" name="ExcludingCommercialAutoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_ShortTermInvestmentsAndOtherRealizedGainsLossesNet" abstract="false" name="ShortTermInvestmentsAndOtherRealizedGainsLossesNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_AcquiredIntangibleAssetsLineItems" abstract="true" name="AcquiredIntangibleAssetsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="jrvr_NumberOfBankLoanParticipationsHeld" abstract="false" name="NumberOfBankLoanParticipationsHeld" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="jrvr_LPTTrustMember" abstract="true" name="LPTTrustMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_ReinsuranceTransactionAxis" abstract="true" name="ReinsuranceTransactionAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="jrvr_BankLoanParticipationsGrossRealizedLoss" abstract="false" name="BankLoanParticipationsGrossRealizedLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_CreditRiskReinsurerTwoMember" abstract="true" name="CreditRiskReinsurerTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_JamesRiverCapitalTrustIMember" abstract="true" name="JamesRiverCapitalTrustIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_NonemployeeDirectorsMember" abstract="true" name="NonemployeeDirectorsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_LegacyPlanMember" abstract="true" name="LegacyPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_LetterOfCreditFacilityAmount" abstract="false" name="LetterOfCreditFacilityAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_BankLoanParticipationsIncreaseDecreaseinFairValueCreditRelatedImpairment" abstract="false" name="BankLoanParticipationsIncreaseDecreaseinFairValueCreditRelatedImpairment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_CommitmentToLend" abstract="false" name="CommitmentToLend" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_RasierMember" abstract="true" name="RasierMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_ShortdurationInsuranceContractsAccidentYears2016and2017Member" abstract="true" name="ShortdurationInsuranceContractsAccidentYears2016and2017Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_FairValueOptionLoansHeldAsAssetsAggregateFairValuePolicyPolicyTextBlock" abstract="false" name="FairValueOptionLoansHeldAsAssetsAggregateFairValuePolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="jrvr_BankLoanParticipationsChangesInFairValue" abstract="false" name="BankLoanParticipationsChangesInFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_RenewableEnergyBridgeFinancingNotesMember" abstract="true" name="RenewableEnergyBridgeFinancingNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_UnaffiliatedCedingCompanyTwoMember" abstract="true" name="UnaffiliatedCedingCompanyTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_EffectiveIncomeTaxRateReconciliationProvisionToReturnAndAmendedTaxReturnsAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationProvisionToReturnAndAmendedTaxReturnsAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_StatutoryMattersTextBlock" abstract="false" name="StatutoryMattersTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="jrvr_PercentageOfExciseTaxOnReinsurancePremiumsPaid" abstract="false" name="PercentageOfExciseTaxOnReinsurancePremiumsPaid" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="jrvr_ScheduleOfIncurredButNotReportedLiabilitiesAndClaimsFrequencyTableTextBlock" abstract="false" name="ScheduleOfIncurredButNotReportedLiabilitiesAndClaimsFrequencyTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="jrvr_AgencyOneMember" abstract="true" name="AgencyOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_NumberOfBankLoanParticipationsTransferred" abstract="false" name="NumberOfBankLoanParticipationsTransferred" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="jrvr_PaymentToAcquireBankLoanParticipations" abstract="false" name="PaymentToAcquireBankLoanParticipations" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_LifeSciencesMember" abstract="true" name="LifeSciencesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_LossFundTrustMember" abstract="true" name="LossFundTrustMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_ShortDurationInsuranceContractAccidentYears2011Through2016Member" abstract="true" name="ShortDurationInsuranceContractAccidentYears2011Through2016Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_ShortDurationInsuranceContractAccidentYears2018AndPriorMember" abstract="true" name="ShortDurationInsuranceContractAccidentYears2018AndPriorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_ShortTermInvestmentsAndOtherChangesInFairValue" abstract="false" name="ShortTermInvestmentsAndOtherChangesInFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_EquityMethodInvestmentTransfer" abstract="false" name="EquityMethodInvestmentTransfer" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_NumberOfEquitySecuritiesTransferred" abstract="false" name="NumberOfEquitySecuritiesTransferred" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="jrvr_CreditRiskReinsurerThreeMember" abstract="true" name="CreditRiskReinsurerThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_UnderwritingProfitLossOfOperatingSegments" abstract="false" name="UnderwritingProfitLossOfOperatingSegments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_ContingentLiabilitiesLineItems" abstract="true" name="ContingentLiabilitiesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="jrvr_FaceValueOfTrustPrefferedSecurties" abstract="false" name="FaceValueOfTrustPrefferedSecurties" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_MinimumLiquidityRatio" abstract="false" name="MinimumLiquidityRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="jrvr_A2017FacilityMember" abstract="true" name="A2017FacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_ExcessAndSurplusLinesMember" abstract="true" name="ExcessAndSurplusLinesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_NonEmployeeDirectorIncentivePlan2014Member" abstract="true" name="NonEmployeeDirectorIncentivePlan2014Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_PaymentsforProceedsfromUnsettledInvestmentsNet" abstract="false" name="PaymentsforProceedsfromUnsettledInvestmentsNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_AmortizationOfPolicyAcquisitionCosts" abstract="false" name="AmortizationOfPolicyAcquisitionCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_CreditRiskReinsurerOneMember" abstract="true" name="CreditRiskReinsurerOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_PaymentsOfContributionsToAffiliates" abstract="false" name="PaymentsOfContributionsToAffiliates" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_DeferredPolicyAcquisitionCostsUnderwritingAndOtherIssueExpenses" abstract="false" name="DeferredPolicyAcquisitionCostsUnderwritingAndOtherIssueExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_ResidentialMortgageBackedAmortizedCost" abstract="false" name="ResidentialMortgageBackedAmortizedCost" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_SharebasedCompensationArrangementbySharebasedPaymentAwardIncreaseinNumberofSharesAuthorized" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardIncreaseinNumberofSharesAuthorized" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="jrvr_PercentageOfAvailableForSaleDebtSecurities" abstract="false" name="PercentageOfAvailableForSaleDebtSecurities" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="jrvr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAmortizationOfDiscount" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAmortizationOfDiscount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_LongTermIncentivePlan2014Member" abstract="true" name="LongTermIncentivePlan2014Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_AmountOfCreditLossExpenseReinsured" abstract="false" name="AmountOfCreditLossExpenseReinsured" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_ExcessCasualtyMember" abstract="true" name="ExcessCasualtyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_UnderwritingProfitLoss" abstract="false" name="UnderwritingProfitLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_ProceedsFromBankLoanParticipations" abstract="false" name="ProceedsFromBankLoanParticipations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_CommitmenttoInvestmentInLimitedPartnership" abstract="false" name="CommitmenttoInvestmentInLimitedPartnership" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_OtherOperatingExpensesAndOtherExpensesAbstract" abstract="true" name="OtherOperatingExpensesAndOtherExpensesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="jrvr_FrontingandProgramsMember" abstract="true" name="FrontingandProgramsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_StatutoryMattersAbstract" abstract="true" name="StatutoryMattersAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="jrvr_CommercialAutoBusinessMember" abstract="true" name="CommercialAutoBusinessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_ReinsurancePremium" abstract="false" name="ReinsurancePremium" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_OtherInvestedAssetsPolicyTextBlock" abstract="false" name="OtherInvestedAssetsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="jrvr_JamesRiverCapitalTrustIvMember" abstract="true" name="JamesRiverCapitalTrustIvMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_DividendDistributionsToIntermediateHoldingCompany" abstract="false" name="DividendDistributionsToIntermediateHoldingCompany" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_CommonShareEquivalentsEarningsPerShare" abstract="false" name="CommonShareEquivalentsEarningsPerShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="jrvr_ReinsuranceRecoverablesOnUnpaidLossesPercentageOfTotalBalance" abstract="false" name="ReinsuranceRecoverablesOnUnpaidLossesPercentageOfTotalBalance" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="jrvr_ContingentLiabilitiesTable" abstract="true" name="ContingentLiabilitiesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="jrvr_ProceedsFromMaturitiesAndRepaymentsOfOtherInvestedAssets" abstract="false" name="ProceedsFromMaturitiesAndRepaymentsOfOtherInvestedAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_IndemnityTrustAndLossFundTrustMember" abstract="true" name="IndemnityTrustAndLossFundTrustMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_JamesRiverCapitalTrustIIMember" abstract="true" name="JamesRiverCapitalTrustIIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_JRGReinsuranceCompanyLtdMember" abstract="true" name="JRGReinsuranceCompanyLtdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_BankLoanParticipationsNetGainLoss" abstract="false" name="BankLoanParticipationsNetGainLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_OtherInvestedAssetTableTextBlock" abstract="false" name="OtherInvestedAssetTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="jrvr_NumberofBrokers" abstract="false" name="NumberofBrokers" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="jrvr_BankHoldingCompaniesMember" abstract="true" name="BankHoldingCompaniesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_CashEquivalentCollateralReturnedToTrust" abstract="false" name="CashEquivalentCollateralReturnedToTrust" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_CasualtyReinsuranceMember" abstract="true" name="CasualtyReinsuranceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_A2013FacilityMember" abstract="true" name="A2013FacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_LiabilityForClaimsAndClaimsAdjustmentExpenseTextBlock" abstract="false" name="LiabilityForClaimsAndClaimsAdjustmentExpenseTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="jrvr_RequiredCollateralPercentage" abstract="false" name="RequiredCollateralPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="jrvr_IndemnityTrustMember" abstract="true" name="IndemnityTrustMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_NumberOfInsuranceCompanies" abstract="false" name="NumberOfInsuranceCompanies" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="jrvr_UnaffiliatedCedingCompanyOneMember" abstract="true" name="UnaffiliatedCedingCompanyOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_LoanAndAdvancesCarryingValue" abstract="false" name="LoanAndAdvancesCarryingValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_AssumedReinsurancePremiumsPolicyTextBlock" abstract="false" name="AssumedReinsurancePremiumsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="jrvr_ProfessionalLiabilityMember" abstract="true" name="ProfessionalLiabilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_AlliedHealthMember" abstract="true" name="AlliedHealthMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_ReinsuranceAggregateCoverageLimit" abstract="false" name="ReinsuranceAggregateCoverageLimit" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_DeferredPolicyAcquisitionCost1" abstract="false" name="DeferredPolicyAcquisitionCost1" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_DebtInstrumentDeferredInterestOptionMaximumTerm" abstract="false" name="DebtInstrumentDeferredInterestOptionMaximumTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="jrvr_FairValueOptionLoansHeldasAssetsAggregateUnpaidPrincipalBalance" abstract="false" name="FairValueOptionLoansHeldasAssetsAggregateUnpaidPrincipalBalance" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_ThirdPartyReinsuredsMember" abstract="true" name="ThirdPartyReinsuredsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_RestrictedStockUnitDividendEquivalents" abstract="false" name="RestrictedStockUnitDividendEquivalents" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_EnvironmentalMember" abstract="true" name="EnvironmentalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_NumberOfSubsidiaries" abstract="false" name="NumberOfSubsidiaries" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="jrvr_FortitudeReinsuranceMember" abstract="true" name="FortitudeReinsuranceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_FairValueofInvestmentsonDepositswithStateInsuranceDepartments" abstract="false" name="FairValueofInvestmentsonDepositswithStateInsuranceDepartments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_ShortDurationInsuranceContractAccidentYearsPriorTo2020Member" abstract="true" name="ShortDurationInsuranceContractAccidentYearsPriorTo2020Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_NumberOfLetterCreditFacilities" abstract="false" name="NumberOfLetterCreditFacilities" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="jrvr_FairValueOptionLoansHeldasAssetsAggregateFairValue" abstract="false" name="FairValueOptionLoansHeldasAssetsAggregateFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_CreditingRateOnFundsWithheld" abstract="false" name="CreditingRateOnFundsWithheld" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="jrvr_LPTTrustAndLossFundTrustMember" abstract="true" name="LPTTrustAndLossFundTrustMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_IncreaseDecreaseInRestrictedCashEquivalents" abstract="false" name="IncreaseDecreaseInRestrictedCashEquivalents" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_ShortTermInvestmentsAndOtherGrossRealizedLosses" abstract="false" name="ShortTermInvestmentsAndOtherGrossRealizedLosses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_PublicStockOfferingMember" abstract="true" name="PublicStockOfferingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_DividendLimitationsPercentageOfStatutorySurplus" abstract="false" name="DividendLimitationsPercentageOfStatutorySurplus" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="jrvr_NumberOfIssuersWithImpairedLoans" abstract="false" name="NumberOfIssuersWithImpairedLoans" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="jrvr_AccountingPoliciesTable" abstract="true" name="AccountingPoliciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="jrvr_ProceedsFromMaturitiesOfBankLoanParticipations" abstract="false" name="ProceedsFromMaturitiesOfBankLoanParticipations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="jrvr_ShortTermInvestmentsAndOtherGrossRealizedGains" abstract="false" name="ShortTermInvestmentsAndOtherGrossRealizedGains" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_EffectiveIncomeTaxRateReconciliationBaseErosionAndAntiAbuseTaxAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationBaseErosionAndAntiAbuseTaxAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_ShortDurationInsuranceContractAccidentYearsPriorto2018Member" abstract="true" name="ShortDurationInsuranceContractAccidentYearsPriorto2018Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_IndividualRiskWorkersCompensationMember" abstract="true" name="IndividualRiskWorkersCompensationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_ExcessPropertyMember" abstract="true" name="ExcessPropertyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_ShortDurationInsuranceContractAccidentYears2018And2019Member" abstract="true" name="ShortDurationInsuranceContractAccidentYears2018And2019Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_StandardPoorsBBBOrBetterRatingMember" abstract="true" name="StandardPoorsBBBOrBetterRatingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_UnaffiliatedCedingCompanyThreeMember" abstract="true" name="UnaffiliatedCedingCompanyThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_AlekaMember" abstract="true" name="AlekaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_DevelopmentOnPriorYearLossReservesAbstract" abstract="true" name="DevelopmentOnPriorYearLossReservesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
</xs:schema>
