Arnaud was the son of unknown parents. The date and place of his birth have not been found.
His wife was Mascarose d'Armagnac. They were married, but the date and place have not been found. They had no known children.
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | vicomte de la Barthe |
Note 1
fils de Bertrand de Fumel & Brunissende de la Barthe