Duportail (1743-1802) 1781-4 By Charles Willson Peale Brigadier General Chevalier Louis Lebèque dePresle Duportail was one of several officers sent by the French government to assist the American cause. He laid out the Valley Forge encampment and planned a system of fortifications. Oil on canvas, 24x20 inches Independence National Historical Park, INDE 14046