Claude François Ferey, Baron de Rozengath (21 September 1771 – 22 July 1812) became a division commander during the Napoleonic Wars and was killed fighting the British in Spain. In 1787 he joined the French Royal Army and became an officer in 1792. During the French Revolutionary Wars he fought at Mainz and in the Vendée. Appointed commander of the 24th Light Infantry Demi-Brigade in 1796, he led his unit at Neuwied, Montebello, and Marengo.