MaleJean I Count Of PONTHIEU & MONTREUIL |
| Birth | Abt 1135 | , Montreuil, Flandres, France |
| Death | 1191 | , Acre, , Palestine |
| Burial | ||
| Marriage | Bef 1179 | |
| Father | ||
| Mother | ||
FemaleBéatrice De SAINT POL |
| Birth | Abt 1135 | Of, Saint Pol, , France |
| Death | Yes, date unknown | |
| Burial | ||
| Father | ||
| Mother | ||
MaleGuillaume III, Count Of PONTHIEU |
| Birth | 1179 | , , Ponthieu, Flandres, France |
| Death | 4 Oct 1221 | , , , France |
| Burial | ||
| Spouse | Alix Princess Of FRANCE | F1891 | |
| Marriage | 20 Aug 1195 | , , Castile |