| Marie of Ponthieu, Countess of Ponthieu and Montreuil | |
| B: | 17 Apr 1199 |
| France | |
| D: | Sep 1250 |
| France | |
1180-1239
| Simon II de Dammartin, Count of Aumale | |
| B: | About 1180 |
| M: | Sep 1208 |
| D: | 21 Sep 1239 |
| Abbeville, Somme, Hauts-de-France, France | |
| Matthew de Montgomery, Seigneur de Montmorency | |
| D: | Feb 1250 |
| William III Talvas, Count of Ponthieu and Montreuil | |
| B: | 1179 |
| France | |
| D: | 4 Oct 1221 |
| France | |
1160-1220
| Alys of France, Countess of Vexin | |
| B: | 4 Oct 1160 |
| France | |
| M: | 20 Aug 1195 |
| Meudon, Île-de-France, France | |
| D: | About 1220 |
| Thomas de St. Vallery | |
| M: | 1178 |
1160-
| Beatrice of Saint Pol | |
| B: | About 1160 |
1140-1191
| Jean I, Count of Ponthieu and Montreuil | |
| B: | About 1140 |
| M: | by 1177 |
| D: | 30 Jun 1191 |
| Acre, Holy Land | |
|
| Anselme Candavene, Count of St. Pol | |
| D: | 1174 |
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