Isabelle was the daughter of unknown parents. The date and place of her birth have not been found.
She died on 22 SEP 1257. The place is not known.
Her husband was Jean I de Bourgogne-Comté, who she married in 1242. The place has not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 22 SEP 1257 |
|
Note 1
fille de Robert de Courtenay (Grand Bouteiller de France; seugneur Champignelles , Château-Renard , Charny , Chantecoq , Nonancourt , Conches-en-Ouche et Mehun- sur-Yèvre) et Mathilde de Mehun
Note 2