
| Name | Guillaume III, Count Of PONTHIEU | |
| Birth | 1179 | , , Ponthieu, Flandres, France |
| Gender | Male | |
| Death | 4 Oct 1221 | , , , France |
| Person ID | I11060 | Coombs |
| Last Modified | 22 Jan 2013 | |
| Father | Jean I Count Of PONTHIEU & MONTREUIL, b. Abt 1135, , Montreuil, Flandres, France d. 1191, , Acre, , Palestine (Age 56 years) | |
| Mother | Béatrice De SAINT POL, b. Abt 1135, Of, Saint Pol, , France d. Yes, date unknown | |
| Marriage | Bef 1179 | |
| Family ID | F4276 | Group Sheet | Family Chart |
| Family | Alix Princess Of FRANCE, b. Abt 1170, , , , France d. 1221 (Age 51 years) | |||
| Marriage | 20 Aug 1195 | , , Castile |
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| Children |
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| Family ID | F1891 | Group Sheet | Family Chart | ||
| Last Modified | 2 Feb 2026 | |||
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