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^ abcdTownend, Peter, ed. (1963). Burke's Genealogical and Heraldic History of the Peerage, Baronetage and Knightage (英語). Vol. 2 (103rd ed.). London: Burke's Peerage Limited. p. 1547.
^ abCokayne, George Edward; Hammond, Peter W., eds. (1998). The Complete Peerage, or a history of the House of Lords and all its members from the earliest times (Addenda & Corrigenda). Vol. 14 (2nd ed.). Stroud: Sutton Publishing. p. 461.