Background
Hohenhausen was born in Dachau, the son of Johann Nepomuk Freiherr von Hohenhausen (also called "Peregrinus") by his marriage to Maria Anna, Freiin von Wittorf.
Hohenhausen was born in Dachau, the son of Johann Nepomuk Freiherr von Hohenhausen (also called "Peregrinus") by his marriage to Maria Anna, Freiin von Wittorf.
His last military rank was General der Kavallerie. He was a nephew of Major-General Sylvius Maximilian von Hohenhausen (born 1738). Leonhard von Hohenhausen served in the Bavarian army during the campaigns between 1805 and 1815.
In 1839 he became Major General and Brigadier.
After acting as war minister under Ludwig I of Bavaria from 1847 to 1848 he was advanced to Lieutenant General and became a divisional commander. In 1861 he was appointed as "Generalkapitän", commanding officer of the Hartschiers" a Bavarian life guards troop.
In 1867 he was advanced to the rank of a General der Kavallerie. Hohenhausen was also the tutor of Crown Prince Maximilian.
Hohenhausen was married three times.
On April 27, 1861 he was awarded with the honorary citizenship by the city of Augsburg. He was buried in the Old Southern Cemetery in Munich.