Isabeau was born before 1369, the daughter of unknown parents. The place is not known.
Her husband was Gilles de Berlaymont. They were married, but the date and place have not been found. Their only known child was Jean II (c1330-c1360).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | BEF 1369 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | dame de Péruwelz |