Robert [Earl of Derby] Ferrers - Pedigree | FamilyCentral
 Abt 1200 - 24 Mar 1254
 Abt 1218 - 1294
 Abt 1174 - 2 May 1264
 Abt 1196 - Aft 21 Nov 1245
 Abt 1150 - 3 Nov 1219
 Abt 1154 - 19 Jan 1234/35
 Abt 1174 -
 Abt 1130 - 7 Sep 1190
 Abt 1134 - 8 Apr 1212
Family Group
Mary Brun or Brune or
 md. 26 Jul 1249
Family Group
  Children