William of Werle was co-regent of Werle from 1418 to 1425, then the sole ruler from 1425 until his death. After 1426, he called himself "Prince of the Wends". He was a son of Lorenz of Werle-Güstrow and his wife Matilda of Werle-Goldberg.
- Citizenship
- Germany, Holy Roman Empire
- Born
- 1393, 1394
- Died
- September 8, 1436