Jean was the son of unknown parents. The date and place of his birth have not been found.
His wife was Marie de Bracquemont, who he married in 1375. The place has not been found. They had no known children.
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | seigneur de Montfreville |
Note 1
bail de Jean de BeĢthencourt, son beau-fils