Robert de Ferrers, 1st Earl of Derby
Abt 1062 - 1139 (~ 77 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