Aosta, Emmanuel Philibert of Savoy, duke of (äôˈstə, –stä) [key], 1869–1931, Italian general; son of King Amadeus of Spain and cousin of Victor Emmanuel III of Italy. In World War I he held the Piave front after the Italian defeat at Caporetto and later occupied Friuli. He became a marshal in 1926. His son Amadeus (1898–1942), who succeeded to his title, was viceroy of Ethiopia (1937–41). He surrendered to the British during World War II after a valiant defense.
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