Johann was the son of unknown parents. The date and place of his birth have not been found.
He died about 1421. The place is not known.
His wife was Agnes von Langenau. They were married, but the date and place have not been found. Their only known child was Agnes (?-?).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | ABT 1421 |
|