Joanna of Bavaria, a member of the House of Wittelsbach, was Queen of Germany from 1376 and Queen of Bohemia from 1378 until her death, by her marriage with the Luxembourg king Wenceslaus.
Wenceslaus IV was King of Bohemia from 1378 until his death in 1419 and King of the Romans and King of Germany from 1376 until he was deposed in 1400. As he belonged to the House of Luxembourg, he was
Detail from the book of hours made for King Wenceslaus, 1400–1419
King Wenceslaus depicted in his Bible (the so-called Wenceslas Bible, late 14th century)