Answer
Aimone, the Duke of Aosta, challenged Vittorio Emanuele's claims to the throne of Italy. Aimone was the son of Emanuele Filiberto, the second Duke of Aosta and Princess Hélène of Orléans. He was a descendant of King Vittorio Emanuele II, the first king of a unified Italy. Aimone was born in Turin, Italy, on 9 March 1900.