Nielsen Hayden genealogy
Family: St. William of Breteuil / Adelaide of Aumale (F1992)
William fitz Osbern (1025-1071) 
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Adeliza de Tosny (1030-1066)
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Emma de Breteuil ( -1097)  |
| Enguerrand ( -1053)
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| Alice of Normandy (1030-1089)
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| St. William of Breteuil ( -1130)
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