Tags: Noble.
Duke Louis I of Bavaria (German: Ludwig I der Kelheimer Herzog von Bayern Pfalzgraf bei Rhein) (Kelheim 23 December 1173 – 15 September 1231 in Kelheim) was the Duke of Bavaria in 1183 and Count Palatine of the Rhine in 1214. He was a son of Otto I and his wife Agnes of Loon. Louis was married to Ludmilla a daughter of Duke Frederick of Bohemia.