Jean was the son of unknown parents. The date and place of his birth have not been found.
He died in 1280. The place is not known.
His wife was Alix de Bretagne, who he married in 1254. The place has not been found. Their only known child was Jeanne (1258-1292).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 1280 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | comte de Blois et de Chartres | |||||
| Nobility Title | comte de Saint-Pôl |
Note 1