Johannes was the son of unknown parents. The date and place of his birth have not been found.
He died before 1275. The place is not known.
His wife was Gertrud von Dannenberg. They were married, but the date and place have not been found. Their only known child was ritter Johannes (<1236->1303).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | BEF 1275 |
|