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|
|Died||4 August 1156|
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.