Johan was the son of unknown parents. The date and place of his birth have not been found.
He died in 1361. The place is not known.
His wife is not known. They were married, but the date and place have not been found. Their only known child was Johan II (?-c1418).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 1361 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | heer van Buckhorst en Zalk |