Margaret Theresa of Spain (d. 1673)
Margaret Theresa of Spain (Spanish: Margarita Teresa, German: Margarete Theresia; 12 July 1651 – 12 March 1673) was, by marriage to Leopold I, Holy Roman Empress, German Queen, Archduchess of Austria and Queen of Hungary and Bohemia. She was the daughter of King Philip IV of Spain and the elder full-sister of Charles II, the last of the Spanish Habsburgs. She is the central figure in the famous Las Meninas by Diego Velázquez, and the subject of many of his later paintings.