Eustachie was the daughter of Bonami de Port-Saint-Père but her mother is unknown. The date and place of her birth have not been found.
She died in 1223. The place is not known.
Her husband was Jean de Coché. They were married, but the date and place have not been found. Their only known child was Olivier (c1200-1238).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 1223 |
|