Foucauld was the son of Guillaume de Rochechouart-Mortemart but his mother is unknown. The date and place of his birth have not been found.
His wife was Almodie de Montrocher. They were married, but the date and place have not been found. Their only known child was Aimery I (?-1369).
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | seigneur de Mortemart et de Saint-Victurnien |