Louis I, Duke of Bavaria

Louis I
Portrait c. 1851 - c. 1854
Duke of Bavaria
Reign1183–1231
PredecessorOtto I
SuccessorOtto II
Count Palatine of the Rhine
Reign1214–1231
PredecessorHenry VI
SuccessorOtto II
Born(1173-12-23)23 December 1173
Kelheim
Died15 September 1231(1231-09-15) (aged 57)
Kelheim
SpouseLudmilla of Bohemia
IssueOtto II, Duke of Bavaria
HouseWittelsbach
FatherOtto I, Duke of Bavaria
MotherAgnes of Loon

Louis I (German: Ludwig; 23 December 1173 15 September 1231), called the Kelheimer or of Kelheim, since he was born and died at Kelheim, was the Duke of Bavaria from 1183 and Count Palatine of the Rhine from 1214. He was the only surviving son of Otto I, Duke of Bavaria (the first duke from the House of Wittelsbach) by his wife Agnes of Loon. He married Ludmilla of Bohemia, a daughter of Duke Frederick of Bohemia.