Napoleon II
noun
François Charles Joseph BonaparteDuke of Reichstadt,1811–32,
titular king of Rome (son of Napoleon I).
British Dictionary definitions for napoleon ii
Napoleon II
noun
Duke of Reichstadt. 1811–32, son of Napoleon Bonaparte and Marie Louise. He was known as the King of Rome during the first French empire and was entitled Napoleon II by Bonapartists after Napoleon I's death (1821)