Beatrix was the daughter of unknown parents. The date and place of her birth have not been found.
Her husband was Guigues I de la Tour-Vinay. They were married, but the date and place have not been found. Their four known children were Girard III (?-1364), François (?-?), Pierre (?-?) and Jean (?-1413).
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | dame de Darne |