Pierre Belon Lapisse, Baron de Sainte-Hélène (25 November 1762 – 30 July 1809) enlisted in the French Army during the reign of Louis XVI and fought in the American Revolutionary War. Appointed an officer at the start of the French Revolutionary Wars, he rose in rank to become a general officer by 1799. In 1805 and 1806 during the Napoleonic Wars, he led a brigade in the Grande Armée at Jena, Czarnowo, Golymin, and Eylau. The year 1807 found him commanding a division in the thick of the action at Friedland.