5th Earl of Derby William de Ferrers, of Tutbury and Margaret de Quincy Family
Constable of Bolsover Castle-
Male
5th Earl of Derby William de Ferrers, of Tutbury
Birth Abt 1193 Death Between 24 and 28 Mar 1254 Evington, Leicester, Leicestershire, England 
Burial Marriage Father Mother
Female
Margaret de Quincy
Birth Between 1179 and 1223 Death Abt [J] Mar 1281 Burial Father 2nd Earl of Winchester Sir Roger de Quincy | F1114 Group Sheet Mother Ellen of Galloway | F1114 Group Sheet
Male
Sir William de Ferrers, of Groby
Birth Abt 1240 Death Abt Dec 1287 Burial Spouse Anne Durward | F1111 Marriage 1270