John III the Pitiless, of the House of Wittelsbach, was first bishop of Liège 1389–1418 and then duke of Bavaria-Straubing and count of Holland and Hainaut 1418–1425. Wikipedia
Born: 1374, Le Quesnoy, France
Died: January 5, 1424 (age 50 years), The Hague, Netherlands
Grandparents: Louis IV, Holy Roman Emperor, Margaret II, Countess of Hainaut, Louis I of Brzeg, and more
Spouse: Elizabeth of Görlitz (m. 1418)
Parents: Albert I, Duke of Bavaria and Margaret of Brieg