Decan was the son of Elzéar I but his mother is unknown. The date and place of his birth have not been found.
His wife was NN de Posquières. 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 | seigneur d'Uzès |