Isabelle was the daughter of Collart de Poissy and NN d'Angerville. The date and place of her birth have not been found.
She died in 1490. The place is not known.
Her husband was Louis de Ségrie. They were married, but the date and place have not been found. Their only known child was Guillemette (?-1490).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 1490 |
|