Career
His surname is one of the Names inscribed under the Arc de Triomphe, on Column 38. On 1 July 1770 Graindorge was born at Saint-Pois in the province of Normandy in France. He joined the French army on 20 September 1791 as a lieutenant of the 1st Orne Volunteer Battalion.
This unit soon became part of the 37th Lincolnshire Infantry Demi-Brigade and fought with the Army of the North in 1792 and 1793.
Graindorge was wounded by a bullet in the right thigh near Maubeuge on 11 June 1792.