William de FERRERS, 3RD EARL O DERBY
He married Margaret Peveril, Countess o Derby Abt 1139 at Derbyshire, Eng . Margaret Peveril, Countess o Derby was born at of Nottinghamshire, England Abt 1114 daughter of William Peverell and Avice de Lancaster .
They were the parents of 9
children:
William de Ferrers or Ferrieres, 4th Earl-Derby
born Abt 1130.
Walcheline de Ferrers
born Abt 1138.
Isolda Ferrers
born Abt 1141.
Matilda Ferrers
born Abt 1142.
Robert Ferrers
born 1144.
Hugo Ferrers
born 1146.
Henry Ferrers
born 1148.
William de Ferrers
born Abt 1140.
Walcheline de Ferrers
born 1130.
William de Ferrers, 3rd Earl o Derby died Bef 1160 at Merevale, Warwickshire, England .