Background
John I was the son of Henry XIV, Duke of Lower Bavaria, and Margaret of Bohemia.
John I was the son of Henry XIV, Duke of Lower Bavaria, and Margaret of Bohemia.
Still a minor, John I was the last duke of Lower Bavaria for one year only. After his early death in 1340 the duchy of Lower Bavaria passed to Louis IV, who then reunited the duchy of Bavaria in January 1341.
His mother Margaret of Bohemia, as a member of the Luxemburg dynasty, then had to return to Bohemia.