Hugues was the son of Hugues II de Conflans and Ide de Crusilles. The date and place of his birth have not been found.
His wife was Helisende de Precy. 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 | sire de Conflans | |||||
| Nobility Title | sseigneur de Gizencourt |