John William, Elector Palatine of the Wittelsbach dynasty was Elector Palatine (1690–1716), Duke of Neuburg (1690–1716), Duke of Jülich and Berg (1679–1716), and Duke of Upper Palatinate and Cham (1707–1714). From 1697 onwards Johann Wilhelm was also Count of Megen.
- Occupation
- statesperson, art collector
- Position held
- Prince-Elector
- Citizenship
- Holy Roman Empire
- Born
- April 19, 1658, 1658, April 19, 1658
- Died
- June 8, 1716, 1718, 1716