Adelaide of Austria was Queen of Sardinia by marriage to Victor Emmanuel II of Sardinia, future King of Italy, from 1849 until 1855 when she died as a result of gastroenteritis. She was the mother of Umberto I of Italy.

Dona Maria Pia was by birth an Italian princess of the House of Savoy and by marriage Queen of Portugal as the spouse of King Luís I of Portugal. On the day of her baptism, Pope Pius IX, her godfather, gave her a Golden Rose. Maria Pia was married to Luís on 6 October 1862 in Lisbon. She was the grand mistress of the Order of Saint Isabel. She was the third queen of the House of Savoy on the Portuguese throne, after Mafalda and Marie-Françoise of Savoy-Nemours.