Marguerite was the daughter of unknown parents. The date and place of her birth have not been found.
Her husband was Bertrand III (IV) des Baux, who she married in 1324. The place has not been found. Their only known child was Sancia (?-?).
| Association | Relationship |
|---|---|
| Francesco I del Balzo (duca di Andria, etc., conte di Montescaglioso, di Squillace e Teano, signore di Berre e Mison) | son? |