Eustachie was born in 1181, the daughter of unknown parents. The place is not known.
She died in 1244. The place is not known.
Her husband was Guy de Thouars, who she married in 1203. The place has not been found. Their only known child was Pierre (1204-1248).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | 1181 |
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| Death | 1244 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | dame de Chemillé et de Mortagne |
Note 1
fille de Pierre d'Argenton et Sibylle Chotard de Mortagne