Johann was the son of unknown parents. The date and place of his birth have not been found.
He died in 1323. The place is not known.
His wife is not known. They were married, but the date and place have not been found. Their three known children were Jakob IV (?-c1357), Johanette (?-?) and Isenhardus (?-?).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 1323 |
|