General Francois Severin Marceau - Desgraviers & The French Revolutionary Wars Portrait Profile Plaque.The French Revolutionary Wars, General Francois Severin Marceau Desgraviers, Oval Patinated Bronzed Metal Medallion with a Tinned Reverse. 19th Century. General Francois Severin Marceau Desgraviers (1769 1796). In 1785 Marceau enlisted in the infantry regiment of Savoy Carignan and took part in the Bastille attack of 1789. He joined the Chartres volunteers, who elected him Lieutenant Colonel. He was unsuccessful at the Verdun garrison in 1792 when the