Isabeau was born about 1195, the daughter of unknown parents. The place is not known.
Her husband was Fraslin II de Malesmains. They were married, but the date and place have not been found. Their only known child was Gilbert (c1220-?).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1195 |
|