Prince Luigi Amedeo, Duke of the Abruzzi of Savoy, Duke of Aosta and his first wife Donna Maria Vittoria dal Pozzo della Cisterna. Prince Luigi Amedeo was a grandson of King Vittorio Emanuele II of Italy. He was born during his father's brief reign as King Amadeo of Spain. His siblings are Prince Emanuele Filiberto, Prince Vittorio Emanuele, and Prince Umberto. Shortly after his birth his father, who had reigned in Spain since 1870, abdicated and returned to Italy in 1873. Prince Luigi Amedeo was a member of the House of Savoy, well known in Europe since the 12th century. His uncle became King Umberto I of
1946 Italian institutional referendum have any further role. Accordingly, in April 1944, he turned over most of his powers to Crown Prince Umberto. When Rome was liberated on 4 June, Victor Emmanuel relinquished his remaining powers to Umberto and named him Lieutenant General of the Realm, making him the de facto regent. However, Victor Emmanuel retained the title of king until his abdication in May 1946. Umberto then formally ascended the throne as Umberto II. It has been said that the abdication had been imposed by opponents, but the royal house, too, had an interest in the manoeuvre. It was convenient for the House