John [Earl of Warren] Warren - Pedigree | FamilyCentral
 30 Jun 1286 - 30 Jun 1347
 Abt 1260 - 15 Dec 1286
 Abt 1264 - 21 Nov 1293
 Aug 1231 - 27 Sep 1305
 Abt 1224 - 9 Feb 1291
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