Robert de Ferrers, 2nd Earl of Derby
Abt 1090 - 1162 (~ 72 years)
Walchelinde de Ferrieres
1010-1089
1010-1089
Henry de Ferrieres
1036-1093
1036-1093
Bertha Roberts
1040-
1040-
Robert de Ferrers, 1st Earl of Derby
1062-1139
1062-1139
Hawise de Vitre
1069-
1069-
Robert de Ferrers, 2nd Earl of Derby
1090-1162
1090-1162