| Name | William III Count Of Ponthieu | |
| Born | 1179 | France |
| Gender | Male | |
| Occupation | Count | |
| Died | 04 Oct 1221 | France |
| Person ID | I64456 | Little Chute Genealogy |
| Last Modified | 22 Jun 2003 | |
| Father | Jean I Count Of Ponthieu, b. cir 1140, Normandy, France | |
| Mother | Beatrice De St Pol, b. cir 1160, St Pol, Nord, Nord-Pas-de-Calais, France | |
| Married | 04 Dec 1170 | Ponthieu, Somme, Picardie, France |
| Family ID | F24605 | Group Sheet | Family Chart |
| Family | Alix Princess of France, b. cir 1170, France | |||
| Married | 20 Aug 1195 | Meudon, Hauts-de-Seine, Ile-de-France, France |
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| Last Modified | 21 Jul 2022 | |||
| Family ID | F24604 | Group Sheet | Family Chart | ||