Eustachie was born about 1040, the daughter of unknown parents. The place is not known.
She died after 1085. The place is not known.
Her husband was Gautier I de Brienne, who she married in 1072. The place has not been found. Their two known children were Évrard I (c1070-<1125) and Milon II (c1075-1126).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1040 |
|
|||
| Death | AFT 1085 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | comtesse de Bar-sur-Seine |
Note 1
Note 2
continued in Richards tree