| Count Guillaume III of Ponthieu & Princess Alix of France | |
| Husband | Wife |
| Count Guillaume III of Ponthieu | Princess Alix of France |
|
b: 1179 Ponthieu, Flanders, France d: 4 Oct 1221 |
b: about 1170 France d: 1221 |
| Marriage: on 20 Aug 1195 in Castile. | |
| Parents | |
| Count Jean I of Ponthieu & Montreuil (1135 - 1191) | King Louis VII of France (1119/1120 - 1180) |
| Beatrice de Saint Pol (~1135 - ) | Countess Adaele of Champagne (~1140 - 1206) |
| Grand Parents | |
| Count Guy II of Ponthieu (~1090 - 1147) | King Louis VI "Louis the Fat" of France (~1081 - 1137) |
| Ida de Saint Pol (~1090 - ) | Countess Alix of Savoie (~1092 - 1154) |
| Anselme de Saint Pol (~1090 - 1174) | Count Theobald II Blois (~1090 - 1152) |
| Eustache de Champagne (~1090 - ) | Princess Mathilde of Carinthia (~1107 - 1160) |
| Children (Family Detail) | |
| Countess Marie of Ponthieu & Montreuil | - b: 17 Apr 1199 Aumale, Seine-Maritme, France |