Henry de Percy, Baron Percy - Pedigree | FamilyCentral
 6 Feb 1300/01 - 26 Feb 1351/52
 25 Mar 1273 - 2 Oct 1314
 Abt 1235 - 29 Aug 1272
 14 Sep 1246 - 18 Mar 1272
 Abt 1248 - Bef 10 Aug 1274