Wilhelm was born in 1270, the son of unknown parents. The place is not known.
He died on 30 SEP 1292 in Braunschweig, Niedersachsen, Deutschland .
His wife was Elisabeth von Hessen, who he married in 1290. The place has not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | 1270 |
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| Death | 30 SEP 1292 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | FROM 1279 TO 1291 | co-herzog von Braunschweig | ||||
| Nobility Title | FROM 1291 TO 1292 | herzog von Braunschweig-Wolfenbüttel |
Note 1
Sohn von Albrecht I. Herzog von Braunschweig und Adelheid de Montferrat