Napoléon Eugène Louis Bonapart, Considered by many as Napoleon IV, he was the only son of the Emperors of the French, Napoleon III and his wife Eugenia de Montijo.

He received the title of Imperial Prince of France and the treatment of Imperial Highness from him.  He was exiled after the restoration of the Third Republic.
 
Were rumors that he was in love with the Spanish María del Pilar, daughter of Queen Isabel II of Spain, but Prince Napoleon met his death during the war against the Zulus. 