Princess Irene, Duchess of Aosta Greek princess, Queen consort of Croatia, Duchess of Aosta (1904–1974) (1904–1974) Parents Sophia of Prussia Constantine I of Greece Children Prince Amedeo, 5th Duke of Aosta Siblings Paul of Greece Alexander of Greece Helen of Greece and Denmark George II of Greece Princess Katherine of Greece and Denmark Partners Prince Aimone, 4th Duke of Aosta
