MaleGuillaume I de PONTHIEU |
| Birth | Abt 910 | Ponthieu, Somme, Picardie, France |
| Death | Between 965 and 980 | Ponthieu, Somme, Picardie, France |
| Burial | ||
| Marriage | ||
| Father | ||
| Mother | ||
MaleHildouin III de PONTHIEU |
| Birth | Abt 935 | Ponthieu, Ain, France |
| Death | Abt 1009 | |
| Burial | ||
| Spouse | Adélaïde de BLOIS | F8330 | |
| Marriage | ||