About Maximilian Philipp Hieronymus, Duke of Bavaria-Leuchtenberg
Maximilian Philipp Hieronymus (30 September 1638, Munich - 20 March 1705, Turkheim) was a German prince.
He was Duke of Bavaria-Leuchtenberg from 1650 until his death, and regent from 1679 to 1680 during the minority of his nephew Maximilian II, Elector of Bavaria.
He was the second of two sons born to the Elector Maximilian I and his wife Archduchess Maria Anna of Austria.
In 1650 his father exchanged the Reichsgrafschaft of Haag for the Landgraviate of Leuchtenberg with his brother Albert VI and invested Maximilian with Leuchtenberg and the Herrschaft of Schwabegg.