"Prince Emanuele Filiberto, 2nd Duke of Aosta (Spanish: Manuel Filiberto; 13 January 1869 – 4 July 1931) was an Italian general and member of the House ...
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of Savoy, as the son of Amadeo I, and was also a cousin of Victor Emmanuel III of Italy. Filiberto was also commander of the Italian Third Army during World War I, which earned him the title of the "Undefeated Duke". After the war he became a Marshal of Italy." - (en.wikipedia.org 06.12.2020)