Jean was the son of unknown parents. The date and place of his birth have not been found.
He died before 1271. The place is not known.
His wife was Héloïse de Joinville. They were married, but the date and place have not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | BEF 1271 |
|