William FitzOsbern, 1st Earl of Hereford

Norman earl (c. 1020–1071) (1020–1071)

Parents

• Emma d'Ivry
• Osbern the Steward

Children

• Roger de Breteuil, 2nd Earl of Hereford
• William of Breteuil
• Emma de Guader, Countess of Norfolk

Siblings

• Osbern FitzOsbern

Partners

• Richilde of Hainaut
• Alice de Toeni