Her Wikipedia article is here. According to Wikipedia, "She became Queen Consort of Spain when her husband, the Duke of Aosta was elected King on 16 November 1870. She lived a discreet life as queen, only involving herself in charity. Amadeo abdicated from the Spanish throne on 11 February 1873. Maria Vittoria then returned to Italy. Her health damaged by the trip and childbirth, she died later the same year."