Guillaume was the son of unknown parents. The date and place of his birth have not been found.
He died before 1438. The place is not known.
His wife was Blanche de Castelnau. They were married, but the date and place have not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | BEF 1438 |
|
Note 1
Son of Per Arnaud de Lescun and Clarmonde NN