Background
Stephen was born in Landshut, the son of Henry XIII, Duke of Bavaria and Elizabeth of Hungary. His mother introduced the name Stephen onto the Wittelsbach dynasty with her youngest son.
Stephen was born in Landshut, the son of Henry XIII, Duke of Bavaria and Elizabeth of Hungary. His mother introduced the name Stephen onto the Wittelsbach dynasty with her youngest son.
She was a sister of Stephen V of Hungary and may have named this son after him. During the absence of Otto III in Hungary 1305-1308 Stephen was the only governing duke of Lower Bavaria.