Countess Margaret Ferrers - Pedigree | FamilyCentral
 Abt 1347 - 22 Jan 1406/07
 28 Feb 1332/33 - 8 Jan 1370/71
 Abt 1330 -
 1303 - 15 Sep 1343
 21 Mar 1317 - 1349
 10 Aug 1298 - 4 Nov 1369
 Abt 1302 - 1368