Field-marshal and prince, born in Heidelberg; served as a Bavarian general against Austria as the ally of Napoleon at Wagram, and also in the expedition against Russia in 1812, on which occasion he covered the retreat of the French army to the loss of nearly all the cavalry; fought against the French at Hanau; was defeated, but was afterwards successful on French soil, and eventually became commander-in-chief of the Bavarian army (1767-1838).