Isabelle was the daughter of unknown parents. The date and place of her birth have not been found.
She died about 1273. The place is not known.
Her husband was Hugues de Bellevesvre, who she married in BEF 1255. The place has not been found. Their only known child was Marguerite (c1225->1308).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | ABT 1273 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | dame de Montfort |