Mary (Isabel) Fitzalan, Baroness Strange - Pedigree | FamilyCentral
 Abt 1332 - 29 Aug 1396
 Abt 1313 - 24 Jan 1375/76
 1 Mar 1260/61 - 24 Nov 1326
 1 Mar 1260 - 27 Oct 1326
 Abt 1252 - Abt 30 May 1306
 Bef 1223 - 4 Aug 1265
 1241 - Bef 11 Apr 1281
 4 Aug 1222 - 15 Jul 1262
 Abt 1223 - Bef 10 Mar 1288
 17 Jun 1239 - 7 Jul 1307