Robert [Baron Ferrers] Ferrers - Pedigree | FamilyCentral
 10 Aug 1331 - 2 Apr 1367/68
 Abt 1304 - 7 Aug 1374
 9 Sep 1224/99 - 31 Aug 1372
 Abt 1318 - 7 Sep 1347
 1289 - 10 Nov 1347
 Abt 1294 - 9 Apr 1342
 Abt 1265 - Aft 1336