Alasie was born about 1270, the daughter of unknown parents. The place is not known.
Her husband was Maffre III de Castelnau, who she married in 1293. The place has not been found. Their only known child was Hugues III (IV) (1293-1356).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1270 |
|