The Chronicon Schirense names "Otto palatinus comes" as brother of "Chounradus…Magentinus episcopus", specifying that he was buried at Scheyern.
Graf von Wittelsbach 1147. Pfalzgraf von Wittelsbach 8 May 1149. Vogt of Freising Cathedral 1158. Vogt von Weihenstephan 1160. Graf im Kelsgau 1161. "Amalrico patriarcha (Hierosolymis)" confirmed a donation of property "prædium Othmanshart et Liuchenthal" to the Knights Templars by "Othoni palatino majori, per manum Friderici, palatini comitis, fratris eius", by charter dated 27 Apr 1168.
He was created OTTO I Duke of Bavaria, by imperial order at Altenburg 16 Sep 1180, after Emperor Friedrich I "Barbarossa" deprived Heinrich "der Löwe" Duke of Bavaria and Saxony of his titles, although the territory of the duchy was split with the Markgrafschaft von Steiermark [Styria] being made into a separate duchy.
The Annales Schaftlarienses record the death of "Otto dux" in 1183. The necrology of Windberg records the death "V Id Jul" of "Otto dux Bawarie". The necrology of Regensburg St Emmeram records the death "V Id Jul" of "Otto dux Baiorie". The necrology of Undensdorf records the death "V Id Jul" of "Otto dux Bavarie". 1
Research Notes: