Napoleon II Napoleon II Napoléon François Charles Joseph Bonaparte (20 March 181122 July 1832), Prince Imperial, King of Rome, known in the Austrian court as Franz from 1814 onward, Duke of Reichstadt from 1818, was the son of Napoleon I, Emperor of the French, and his second wife, Archduchess Marie Louise of Austria. By Title III, article 9 of the French Constitution of the time, he was Prince Imperial, but he was also known from birth as the King of Rome, which Napoleon I declared was the courtesy title of the heir apparent. His nickname of L'Aiglon ("the Eaglet") was awarded posthumously
Napoleon III Napoleon III Napoleon III (born Charles-Louis Napoléon Bonaparte; 20 April 1808 – 9 January 1873) was the Emperor of the French from 1852 to 1870 and, as Louis-Napoléon Bonaparte, the President of France from 1848 to 1852. He was the only president of the French Second Republic and the founder of the Second French Empire. The nephew and heir of Napoleon I, he was the first head of state of France to hold the title of president, the first elected by a direct popular vote and the youngest until the election of Emmanuel Macron in 2017. Barred by the Constitution