Guillaume
IV
de St. Omer
Birth date:
Birth place:
,
,
,
Death date:
BET 1191 AND 1192
Death place:
Palestine,
,
,
de St. Omer Family
Parents:
| Father: | Guillaume III de St. Omer |
| Mother: | Matilda |
Spouse:
| Spouse: | Ida d'Avesnes |
Siblings:
Children:
