Prince Aimone, 4th Duke of Aosta Italian prince and navy officer (1900-1948) (1900–1948) Parents Princess Hélène of Orléans Prince Emanuele Filiberto, 2nd Duke of Aosta Children Prince Amedeo, 5th Duke of Aosta Siblings Prince Amedeo, 3rd Duke of Aosta Partners Princess Irene, Duchess of Aosta
