Guillaume
III
de St. Omer
Birth date:
1132
Birth place:
,
,
,
Death date:
1170
Death place:
,
,
,
de St. Omer Family
Parents:
| Father: | Guillaume II de St. Omer |
| Mother: | Melisenda de Picquigny |
Spouse:
| Spouse: | Matilda |
Siblings:
Children:
