Infante António of PortugalInfante António of Portugal was a Portuguese infante, the third surviving son of Peter II, King of Portugal, and his wife Maria Sophia of Neuburg.LifeAntónio Francisco Xavier Benedito Teodósio Leopoldo Henrique was born in Lisbon on 15 March 1695.DeathHe died unmarried and without legitimate issue in the same city, on 20 October 1757, of apoplexy and is buried at the Royal Pantheon of the Braganza Dynasty, in Lisbon.