| Name | William | |
| Suffix | Count Of Poitou | |
| Birth | 1136 | |
| Gender | Male | |
| Death | 1164 | |
| Person ID | I1867 | Royal family |
| Last Modified | 15 Sep 2005 | |
| Father | Geoffrey V PLANTAGENET, Count Of Anjou d. 7 Sep 1151, Chateau-Du-Loir | |
| Mother | Matilda, b. Abt 1103-1104, Winchester d. 10 Sep 1167, Rouen, , Haute-Normandie, France (Age 63 years) | |
| Marriage | 22 May 1127 | Le Mans |
| Family ID | F510 | Group Sheet | Family Chart |