Prince of Asturias, Prince of Girona, Duke of Montblanc, Count of Cervera, and Lord of Balaguer, Prince of Viana was heir apparent to all the kingdoms, states and dominions of the Spanish monarchy until his death. The only son of King Philip IV of Spain and his first wife, Elisabeth of France, he was baptized on November 4, 1629 in the Parish of San Juan, Madrid. His godparents were Infanta Maria Anna and Infante Charles, aunt and uncle of the newborn; Inés de Zúñiga y Velasco, Countess of Olivares (wife of the Count-Duke of Olivares) sat on a crystal throne during his baptism, which was said to be the most precious jewel she had seen.
