Wilhelm was the son of unknown parents. The date and place of his birth have not been found.
He died after 1093. The place is not known.
His wife was NN von Abenberg. They were married, but the date and place have not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | AFT 1093 |
|