
| Name | Guillaume (William) de Breteuil | |
| Suffix | seigneur de Bréteuïl | |
| Birth | 1050 | Breteuil, Oise, Picardie, France |
| Gender | Male | |
| _FSFTID | L12W-9NH | |
| _UID | F4AB335CF90A1743AD131DD43A8BF29285D4 | |
| Death | 14 Mar 1104 | Le Bec-Hellouin, Eure, Upper Normandy, France |
| Burial | Abbaye Notre-Dame de Lyre |
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| Person ID | I32208 | Ken Tree |
| Last Modified | 3 Nov 2019 | |
| Father | Sir William de Breteuil fitzOsbern, 1st Earl of Hereford, b. Abt 1020, London, Middlesex, England d. 20 Feb 1071, Cassel, Nord, Nord-Pas-de-Calais, France (Age 51 years) | |
| Mother | Adeliza de Toeni, Countess of Hereford, b. 1035, Tosny, Eure, Upper Normandy, France d. 5 Oct 1070, Alance, Manche, Normandy, France (Age 35 years) | |
| Marriage | 1050 | Flanders, Nord, France |
| _UID | A146C09F6ED5C548BDC002F34109544FF54F | |
| Family ID | F14820 | Group Sheet | Family Chart |