Princess María de las Mercedes of Bourbon-Two Sicilies Royalty
Princess María Mercedes of Bourbon-Two Sicilies, Infanta of Spain, Countess of Barcelona (Spanish: Doña María de las Mercedes Cristina Genara Isabel Luisa Carolina Victoria y Todos los Santos de Borbón-Dos Sicilias y Orléans (Spanish pronunciation: [maˈɾi.a merˈθeðes]; 23 December 1910 – 2 January 2000) was the mother of Juan Carlos I, King of Spain from 1975 to 2014.