Isabelle was the daughter of Othon de la Roche and Clémence de Montferrand. The date and place of her birth have not been found.
Her husband was Dominique Asinier de Salins-la-Tour. They were married, but the date and place have not been found. Their ten known children were Jean (?->1382), Otton (?->1370), Anselme (?-?), (?-?), Hugues (?-?), Guye (?-?), Alix (?->1325), Jeannette (?-?), Guillemette (?->1349) and Guyette (?-?).
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | dame de Marchaux |