Otto IV, Count of Scheyern

Otto V, Count of Wittelsbach (c. 1083 – 4 August 1156) also called Otto IV, Count of Scheyern was the second son of Eckhard I, Count of Scheyern. Otto named himself Otto of Wittelsbach, after Wittelsbach Castle near Aichach. He served Henry V, Holy Roman Emperor in his first italian Expedition in 1110-1111. Henry V, Holy Roman Emperor already addressed Otto Count of "Witlinesbac" in a document in 1115. From 1120 onwards, he was Count palatine of Bavaria.

Otto married Heilika of Pettendorf-Lengenfeld, a daughter of Count Frederick III of Pettendorf-Lengenfeld-Hopfenohe on 13 July 1116.

Their marriage produced eight children:

• Hermann
• Otto, VI Count Palatine, I Duke of Bavaria
• Conrad of Wittelsbach, Archbishop of Mainz and then Archbishop of Salzburg
• Frederick II of Wittelsbach († 1198/99) ∞ 1184 daughter of the Count of Mangold (Donau) wörth
• Udalrich of Wittelsbach († 29 March 1179)
• Otto VII, Count Palatine († 1189) ∞ Benedicta of Donauwörth, daughter of the Count of Mangold (Donau) wörth
• Hedwig († 16 July 1174) ∞ (before 1153), married to Berthold III, Count of Andechs (* around 1123; † 14 December 1188)
• Adelheid ∞ married Otto II of Stefling

(From the German article)