John Warren, Earl of Warren - Pedigree | FamilyCentral
 30 Jun 1286 - 30 Jun 1347
 Abt 1260 - 15 Dec 1286
 Abt 1264 - 21 Nov 1293
 Abt 1240 - Bef 7 Sep 1296
 Abt 1231 - 7 Sep 1317
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