Earl of Derby Walkelin (William) De Ferrers Earl of Derby
Walkelin (William) was born in 1136 in Tutbury Castle, Staffordshire, England.  He died before October 21st, 1190 in Seige of Acre, Holy Land while on Crusade.

 Godad De Toeni
Godad was born about 1140 in Normandy, France.  Godad is no longer alive.

 Isabel De Ferrers
Isabel was born about 1166 in County Rutand, Normandie, France.  She died before April 29th, 1252.