Family: 1st Earl of Derby Robert de Ferrieres / Countess Hawise de Vitre, of Derby (F5259853181)

Sire Henry De Ferrieres (1036-1088)

Bertha Roberta of Derby (1036- )

 

 

Andre de Vitre I of Derby (1039-1135)

Agnes of Mortaigne (1054- )

 

 

1st Earl of Derby Robert de Ferrieres (1062-1139)

Countess Hawise de Vitre, of Derby (1069-1139)

Hawise De Ferrers

2nd Earl of Okeham, Earl of Derby Robert de Ferrieres (1118-1160)