"Otto I (1117 – 11 July 1183), called the Redhead (German: der Rotkopf), was Duke of Bavaria from 1180 until his death. He was also called ...
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Otto VI as Count Palatine of Bavaria from 1156 to 1180. He was the first Bavarian ruler from the House of Wittelsbach, a dynasty which reigned until the abdication of King Ludwig III of Bavaria in the German Revolution of 1918." - (en.wikipedia.org 29.10.2019)
