Wenceslaus IV of Bohemia (d. 1419)
Wenceslaus IV (also Wenceslas; Czech: Václav; German: Wenzel, nicknamed "the Idle"; 26 February 1361 – 16 August 1419), also known as Wenceslaus of Luxembourg, was King of Bohemia from 1378 until his death and King of Germany from 1376 until he was deposed in 1400. As he belonged to the House of Luxembourg, he was also Duke of Luxembourg from 1383 to 1388.