Johann was the son of unknown parents. The date and place of his birth have not been found.
He died about 1438. The place is not known.
His wife was Agnes von Brandenburg, who he married on BEF 3 FEB 1399. The place has not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | ABT 1438 |
|