Otto IV, Count of Wittelsbach

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Otto IV, Count of Wittelsbach
Spouse(s) Heilika of Pettendorf-Lengenfeld
Noble family House of Wittelsbach
Father Eckhard I, Count of Scheyern
Mother Richardis of Carniola-Orlamünde
Born c. 1083
Died 4 August 1156(1156-08-04)

Otto IV, Count of Wittelsbach (c. 1083 – 4 August 1156) was a son of Eckhard I, Count of Scheyern and his wife, Richardis of Carniola-Orlamünde. Otto named himself Otto of Wittelsbach, after Wittelsbach Castle near Aichach. From 1116 onwards, he served Henry V, Holy Roman Emperor and he was Count palatine of Bavaria from 1120.

Otto married Heilika of Pettendorf-Lengenfeld, a daughter of Count Frederick III of Pettendorf-Lengenfeld-Hopfenohe.

Their sons included Otto I, the first Wittelsbach duke of Bavaria and Conrad of Wittelsbach, archbishop of Mainz and Salzburg.