Louis-Philippe-Albert d'Orléans, comte de Paris (24 August 1838-8 September 1894) Grandson of Louis Philippe I, the King of France from 1830 to 1848. In 1861, he was appointed as an assistant adjutant general in the Union Army during the Civil War with the rank of captain. He served on the staff of General McClellan and resigned from the army on July 15, 1862. François-Ferdinand-Philippe-Louis-Marie d'Orléans, prince de, Joinville (14 August 1818-16 June 1900) The third son of Louis Philippe I, the King of the French from 1830 to 1848. Served in the French Navy from 1836 to 1848. Went to America upon the outbreak of the Civil War in 1861 where his son and two nephews joined the Union Army.