Guillaume was the daughter of unknown parents. The date and place of her birth have not been found.
She died in JUL 1245. The place is not known.
Her husband was Imagina von Loos, who she married in AFT 1218. The place has not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | JUL 1245 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | châtelain de Saint-Omer |
Note 1