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  <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_ContingentLiabilitiesTable" abstract="true" name="ContingentLiabilitiesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <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_FairValueOptionLoansHeldasAssetsAggregateUnpaidPrincipalBalance" abstract="false" name="FairValueOptionLoansHeldasAssetsAggregateUnpaidPrincipalBalance" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_JRGReinsuranceCompanyLtdMember" abstract="true" name="JRGReinsuranceCompanyLtdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="jrvr_LiabilityForCatastropheClaimsLosses" abstract="false" name="LiabilityForCatastropheClaimsLosses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_PriorYearClaimsAndClaimsAdjustmentExpenseRetroactiveReinsurance" abstract="false" name="PriorYearClaimsAndClaimsAdjustmentExpenseRetroactiveReinsurance" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" 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_RenewableEnergyLlcsMember" abstract="true" name="RenewableEnergyLlcsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1: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_RasierAndAlekaMember" abstract="true" name="RasierAndAlekaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="jrvr_PreferredStockDividendPaymentRateVariableSpread" abstract="false" name="PreferredStockDividendPaymentRateVariableSpread" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="jrvr_OtherOperatingExpensesOfCorporateAndOtherSegment" abstract="false" name="OtherOperatingExpensesOfCorporateAndOtherSegment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_JrgReinsuranceCompanyLtdMember" abstract="true" name="JrgReinsuranceCompanyLtdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <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_NumberOfLossPortfolioTransfers" abstract="false" name="NumberOfLossPortfolioTransfers" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="jrvr_CashEquivalentCollateralHeldInTrustArrangement" abstract="false" name="CashEquivalentCollateralHeldInTrustArrangement" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_NotesReceivable" abstract="false" name="NotesReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_A2017FacilityMember" abstract="true" name="A2017FacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="jrvr_DebtSecuritiesAvailableForSaleNumberOfImpairedSecurities" abstract="false" name="DebtSecuritiesAvailableForSaleNumberOfImpairedSecurities" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="jrvr_LossFundTrustMember" abstract="true" name="LossFundTrustMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="jrvr_IndemnityTrustMember" abstract="true" name="IndemnityTrustMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <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_UnderwritingProfitLoss" abstract="false" name="UnderwritingProfitLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_DebtSecuritiesAvailableForSaleFairValueOfUnratedSecurities" abstract="false" name="DebtSecuritiesAvailableForSaleFairValueOfUnratedSecurities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_RetroactiveReinsuranceBenefitRecognized" abstract="false" name="RetroactiveReinsuranceBenefitRecognized" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" 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-types1:domainItemType"/>
  <xs:element id="jrvr_CommercialAutoBusinessMember" abstract="true" name="CommercialAutoBusinessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="jrvr_JamesRiverGroupIncMember" abstract="true" name="JamesRiverGroupIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <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_BankLoanParticipationsNetGainLoss" abstract="false" name="BankLoanParticipationsNetGainLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_LiabilityForClaimsAndClaimsAdjustmentExpenseTextBlock" abstract="false" name="LiabilityForClaimsAndClaimsAdjustmentExpenseTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <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_SellingAgreementPreCloseDividend" abstract="false" name="SellingAgreementPreCloseDividend" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_DevelopmentOnPriorYearLossReservesAbstract" abstract="true" name="DevelopmentOnPriorYearLossReservesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="jrvr_AssociatedTrustAgreementAxis" abstract="true" name="AssociatedTrustAgreementAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <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_BankHoldingCompaniesMember" abstract="true" name="BankHoldingCompaniesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="jrvr_RenewableEnergyBridgeFinancingNotesMember" abstract="true" name="RenewableEnergyBridgeFinancingNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="jrvr_CommercialMortgageAndAssetBackedFairValue" abstract="false" name="CommercialMortgageAndAssetBackedFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_PRSUMember" abstract="true" name="PRSUMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="jrvr_RequiredCollateralPercentage" abstract="false" name="RequiredCollateralPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="jrvr_LongTermIncentivePlan2014Member" abstract="true" name="LongTermIncentivePlan2014Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="jrvr_NonEmployeeDirectorIncentivePlan2014Member" abstract="true" name="NonEmployeeDirectorIncentivePlan2014Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="jrvr_PreferredStockDiscountRatePercentage" abstract="false" name="PreferredStockDiscountRatePercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="jrvr_BankLoanParticipationsUnrealizedLossesCreditRelatedImpairments" abstract="false" name="BankLoanParticipationsUnrealizedLossesCreditRelatedImpairments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_ShortTermInvestmentsAndOtherGrossRealizedGainsLosses" abstract="false" name="ShortTermInvestmentsAndOtherGrossRealizedGainsLosses" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_NumberOfEquitySecuritiesHeld" abstract="false" name="NumberOfEquitySecuritiesHeld" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <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_NumberOfUnderlyingProjectsSold" abstract="false" name="NumberOfUnderlyingProjectsSold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="jrvr_ReinsuranceTransactionDomain" abstract="true" name="ReinsuranceTransactionDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="jrvr_BrokerRelationshipsMember" abstract="true" name="BrokerRelationshipsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="jrvr_PreferredStockConvertibleMandatoryConversionPercentage" abstract="false" name="PreferredStockConvertibleMandatoryConversionPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="jrvr_SellingAgreementEstimatedTransactionValue" abstract="false" name="SellingAgreementEstimatedTransactionValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="jrvr_NotesReceivableTwoMember" abstract="true" name="NotesReceivableTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="jrvr_AssetsDepositedForSecuringLettersOfCredit" abstract="false" name="AssetsDepositedForSecuringLettersOfCredit" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
