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
King of the Romans King of the Romans King of the Romans (; ) was a title used by Syagrius, then by the German king following his election by the princes from the time of Emperor Henry II (1014–1024) onward. The title was predominantly a claim to become Holy Roman Emperor and was dependent upon coronation by the Pope. The title originally referred to any elected king who had not yet been granted the Imperial Regalia and title of "Emperor" at the hands of the Pope. Later it came to be used solely for the heir apparent to the Imperial throne between his election