Guilemette was the daughter of unknown parents. The date and place of her birth have not been found.
She died in 1306. The place is not known.
Her husband was Alfonso Manuel de Castilla, who she married in 1266. The place has not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 1306 |
|
Note 1
dau.of Vcte Gaston de Bearn