CHT247774 The Comte de Paris and his brother, the Duc de Chartres, playing dominoes as guests of the Army of the Potomac during the American Civil War, May 3, 1862 (photo) by Gibson, James F. (b.1828); Private Collection; (add.info.: Philippe d\'Orleans (1838-94), comte de Paris and his brother, Robert (1840-1910), duc de Chartres were welcomed in America by President Lincoln and assigned as aides-de-camp to the staff of General McLellan; photo shows the two princes relaxing at Camp Winfield Scott; from left to right: Captain Leclerc, Comte de Paris, duc de Chartres, unknown soldier, Captain Mohain; George McLellan (1826-1885) was Commander of the U.S. Army of the Potomac; Brady\'s Album Gallery;); 穢 Archives Charmet; American, out of copyright.