Otto IV, Duke of Lower Bavaria
His maternal grandparents were Bolko I, Duke of Jawor and Świdnica and Beatrix of Brandenburg.
He succeeded as Duke of Lower Bavaria from 1310 until 1334 as co-regent of his brother Henry XIV and his cousin Henry XV. In 1322 he was in war with his co-regents, in 1331 Lower Bavaria was finally partitioned among them. Otto then governed Burghausen, Traunstein and several other Bavarian cities. Otto, who hated his brother made his cousin Emperor Louis IV, Holy Roman Emperor his contracted heir.
- Albert of Wittelsbach. Born in 1332. Predeceased his father.
- Cawley, Charles, His listing along with his wife . The project "involves extracting and analysing detailed information from primary sources, including contemporary chronicles, cartularies, necrologies and testaments.", Medieval Lands database, Foundation for Medieval Genealogy
- Marek, Miroslav. "A listing of descendants of Otto I, Count of Scheyern, including Henry XIII and his children". Genealogy.EU.
Otto IV, Duke of Lower BavariaBorn: 1307 Died: 1334
| Duke of Lower Bavaria with Henry XIV