born Oct. 28, 1696, Goslar, Saxony
died Nov. 30, 1750, Chambord, France
German-born French general.
The illegitimate son of Frederick Augustus I of Saxony, he served under Eugene of Savoy in Flanders and was made count of Saxony (Saxe) in 1711. He commanded a German regiment in the French service (1719) and made innovations in military training, especially in musketry. He served with distinction in the French army against his half brother Augustus III in the War of the Polish Succession and was made a general (1734). He successfully led French forces in the War of the Austrian Succession , capturing Prague (1741) and invading the Austrian Netherlands. There he won the Battle of Fontenoy (1745) and captured Brussels and Antwerp (1746). Appointed marshal general of France by Louis XV , Saxe led the successful invasion of Holland in 1747.