Guillaume was born about 1230, the son of unknown parents. The place is not known.
His wife was Jeanne de Norgot. They were married, but the date and place have not been found. Their three known children were Guillaume (c1265-?), Foulques (c1270-?) and Olivier III (c1290-?).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1230 |
|