Franz Seraph of Orsini Rosenberg
Prince Franz Seraph of OrsiniRosenberg 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 in 1811. He was the Proprietor of an Austrian light cavalry regiment from 1801 until his death.
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Source: Wikipedia