| Joanna Dammartin |
| Joanna Dammartin | |
| B: | Abt 1218 |
| Dammartin, France | |
| D: | 15 Mar 1278 |
| Abbeville, Somme, , Centre, France | |
| King of Castile Ferdinand, III |
| King of Castile Ferdinand, III | |
| B: | 1199 |
| Castile, Spain | |
| M: | 1237 |
| Burgos, Spain | |
| D: | 30 May 1252 |
| Seville, Spain | |
| Marie, of Ponthieu |
| Marie, of Ponthieu | |
| B: | 17 Apr 1199 |
| Aumale, , Haute-Normandie, France | |
| D: | 1251 |
| , , , France | |
| Count of Aumale Simon Dammartin |
| Count of Aumale Simon Dammartin | |
| B: | 1180 |
| Aumale, , Haute-Normandie, France | |
| M: | Abt 1215 |
| Aumale, , Haute-Normandie, France | |
| D: | 1239 |
| Abbeville, Somme, , Centre, France | |
| Count of Ponthieu William, III |
| Count of Ponthieu William, III | |
| B: | Abt 1179 |
| , , , France | |
| D: | 4 Oct 1221 |
| Princess of France Alix Capet |
| Princess of France Alix Capet | |
| B: | Abt 1170 |
| , , , France | |
| M: | 20 Aug 1195 |
| , , , France | |
| D: | Abt 1221 |
| Count of Ponthieu John, I | |
| D: | 1191 |