Guillaume was the son of Guillaume I and Aganitrude van Brugge. The date and place of his birth have not been found.
He died about 1148. The place is not known.
His wife was Mélissende de Picquigny. They were married, but the date and place have not been found. Their four known children were Mahaut (c1115-?), Guillaume III (?-c1170), Gauthier (?-1174) and Euphémie (?-?).
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Guillaume II |
Guillaume I |
Baudouin I de Saint-Omer |
Rabel de Saint-Omer |
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| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | ABT 1148 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | châtelain de Saint-Omer |