Rudolf I of Germany
Rudolf was born in Basel, the son of Duke Louis II, Duke of Upper Bavaria and his third wife Matilda of Habsburg, a daughter of King Rudolf I of Germany. Since the 1255 partition of the Wittelsbach territories, his father ruled over the Electoral Palatinate and Upper Bavaria with his residence at Alter Hof in Munich and Heidelberg Castle, while his younger brother Duke Henry XIII ruled over the lands of Lower Bavaria.