Wilhelm was the son of unknown parents. The date and place of his birth have not been found.
His wife was Margareta von Ahaim. They were married, but the date and place have not been found. Their only known child was Klara (?->1438).
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | herr zu Haidenburg |