Guillaume was the son of unknown parents. The date and place of his birth have not been found.
He died before 1344. The place is not known.
His wife was Marie d'Harcourt. 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 1344 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | seigneur de Longpré |
Note 1
fils de Jehan de Cresécques, chevalier, et Jeanne de Fontaines, dame de Long