Guillaume was the son of unknown parents. The date and place of his birth have not been found.
He died about 1205. The place is not known.
His wife was Agnès de Mauzé. They were married, but the date and place have not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | ABT 1205 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | seigneur de Rie |