Isabelle was born before 1214, the daughter of unknown parents. The place is not known.
She died after 1257. The place is not known.
Her husband was Philippe II de Nemours. They were married, but the date and place have not been found. Their only known child was Gautier IV (c1232-1288).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | BEF 1214 |
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| Death | AFT 1257 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | dame de Passavant |