Giselbrecht was the son of Adalard I van Bourghelles but his mother is unknown. The date and place of his birth have not been found.
His wife was Ermentrude. They were married, but the date and place have not been found. Their only known child was Marie (?->1220).
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | vicomte de Lille | |||||
| Nobility Title | gouverneur de Flandre |