Guillemette was the daughter of Raoul de Montormentier and Marguerite d'Aprey. The date and place of her birth have not been found.
She died after 1404. The place is not known.
Her husband was Jean de Saulx. They were married, but the date and place have not been found. Their only known child was Girard (?->1440).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | AFT 1404 |
|