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
Line of succession to the French throne (Bonapartist) Restoration, and was briefly restored during the Hundred Days in 1815. The Second French Empire was the regime established in France by Napoleon III from 1852 to 1870, between the Second French Republic and the Third French Republic. Napoleon III was the third son of Louis Bonaparte, a younger brother of Napoleon I, and Hortense de Beauharnais, the daughter of Napoleon I's wife, Josephine de Beauharnais, by her first marriage. Bonapartism had its followers from 1815 onward among those who never accepted the defeat at Waterloo or the Congress of Vienna. Napoleon I's death in exile on Saint Helena in