Philip Prospero, Prince of Asturias (Felipe Próspero José Francisco Domingo Ignacio Antonio Buenaventura Diego Miguel Luis Alfonso Isidro Ramón Víctor; 28 November 1657 1 November 1661) was the first son of Philip IV of Spain and Mariana of Austria to survive infancy.
Philip Prospero, Prince of Asturias (Felipe Próspero José Francisco Domingo Ignacio Antonio Buenaventura Diego Miguel Luis Alfonso Isidro Ramón Víctor; November 28, 1657 – November 1, 1661) was the first surviving son of Philip IV of Spain and Mariana of Austria.