Career
Born in Hamburg, he served in the armies of several countries, and from 1740 to 1743 acted as Governer-General of the Ostsee governorates of the Russian Empire. But he is best known for his service in the French army during the War of the Austrian Succession. He led French forces that captured Ghent in 1745 and Bergen-op-Zoom in 1747.
The King of France, Louis XV, made him a Marshal of France for his success in capturing Bergen op Zoom.
In 1755 Louis XV gave Lowendal instructions to act as a Plenipotentiary in negotiations with Prussia, designed to prevent the Seven Years" War from breaking out. However Lowendal died before he could carry out his orders and was replaced by Louis Jules Mancini Mazarini, Duc de Nivernais.
