![William Fitzwilliam [, Seigneur Breteuil]](img/male.jpg)
| Name | William Fitzwilliam [ | |
| Suffix | Seigneur Breteuil] | |
| Birth | Abt 1052 | Of, Breteuil, Normandy, France |
| Gender | Male | |
| _FSFTID | KLYH-CVT | |
| _UID | 49F9482DA67E284D9CAE00E29CC93EF4131E | |
| Death | DECEASED | |
| Person ID | I32209 | 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 |