William Fitzosbern, Earl of Hereford, De Breteuil
Birth date:
1030
Birth place:
Poitiers, Poitou, , France
 
Death date:
  BET 20 FEB 1070 AND 1071
Death place:
  Battle At Cassell, Normandy, , France

De Breteuil Family

Parents:
Father: Osbern De Crepon
Mother: Emma Albreda d'Ivry
Spouse:
Spouse: Adelise (Alice) De Toeni
 
Siblings:
William Fitzosbern, Earl of Hereford, De Breteuil
Emma FitzOsbern
Adeliza Fitzosbern
Children:
Adeliza Fitzosbern
William De Breteuil
Emma (Avise) Fitzosborne
Earl of Hereford II Roger De Breteuil
Ralph Fitzwilliam
John Fitzwilliam
Richard Fitzwilliam