My Comments: Princess Leonor: Leonor, Princess of Asturias[a][1] (Leonor de Todos los Santos de Borbón y Ortiz; born 31 October 2005) is the heiress presumptive to the throne of Spain as the elder daughter of King Felipe VI and Queen Letizia. In addition to the official title of Princess of Asturias, Leonor bears the historical titles of Princess of Girona, Princess of Viana, Duchess of Montblanc, Countess of Cervera and Lady of Balaguer. If Leonor ascends to the throne as expected, she will be Spain's first queen regnant since her 4th great-grandmother Isabella II, who reigned from 1833 to 1868.