Marie Laetitia Bonaparte ("Marie Laetitia Eugénie Catherine Adélaïde"; 20 November 1866 – 25 October 1926) was one of three children born to Prince Napoléon an his wife Princess Maria Clotilde o Savoy. In 1888 she mairried Prince Amadeo, Duke of Aosta, the former King of Spain. Maria Letizia became the Duchess of Aosta, Duke of Aosta being a title Amadeus was known before after his becoming King of Spain. Their mairiage wis instrumental in almost reviving French hopes o reinstating the House of Bonaparte into a position of power, as seen in the days of Napoleon III. She wis a cousin of King Umberto I of Italy. In Italy she was known as ""Maria Letizia Bonaparte"".