Willem was the son of unknown parents. The date and place of his birth have not been found.
He died after 1439. The place is not known.
He had two marriages/partners. His first wife was Johanna van Wachtendonk. They were married, but the date and place have not been found. They had no known children.
His second wife was Hermanna van Bronckhorst-Batenburg, who he married in 1415. The place has not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | AFT 1439 |
|
Note 1
Herzog Rainald I-IV von Geldern und Jülich, IV, b. 1365, d. 23 Jun 1423 & Maria van Brakel, b. 1370