Prince Franz Seraph of Orsini-Rosenberg, born 18 October 1761 – died 4 August 1832, joined the army of Habsburg Austria and fought against the Ottoman Turks, winning a prestigious award for bravery. In the 1790s, he served in the wars against the First French Republic and received promotion to general officer. During the Napoleonic Wars he led a division in 1805 and an army corps in 1809. He became a member of the Hofkriegsrat (Aulic Council) in 1811. He was the Proprietor (Inhaber) of an Austrian light cavalry regiment from 1801 until his death.