Jean was the son of unknown parents. The date and place of his birth have not been found.
His wife was Marguerite de Baronaige, who he married in 1379. The place has not been found. Their only known child was Jean (?-?).
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | seigneur de Grammen |