b. Vienna, Dec. 18, 1418, d. Vienna, Dec. 2, 1463, son of Archduke Ernst of Inner Austria (the Iron Duke). 1446 Regent of the south-western dominions and 1458-1463 of the dominions north of the River Enns, opened an attack against his brother Friedrich III, who after besieging Vienna Castle in 1462 yielded to him the exterior provinces south of the River Enns.
Literature#B. Hamann (ed.), Die Habsburger, 41993.