Isabel de Percy - Pedigree | FamilyCentral
 Abt 1326 - 1368
 6 Feb 1300/01 - 26 Feb 1351/52
 Abt 1300 - 24 Aug 1365
 25 Mar 1273 - 2 Oct 1314
 1 Apr 1274 - 24 Jun 1314
 Abt 1276 - 1 Feb 1327
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  Children