 His full sister Margaret Theresa (1651–1673) married Emperor Leopold; their daughter Maria Antonia (1669–1692) married Maximillian Emanuel, Elector of Bavaria and they had one surviving son, Joseph Ferdinand.The Spanish political establishment was split between pro-Austrian and pro-French factions.For most of Charles' reign, government was controlled by the 'Austrians', led by his mother Mariana of Austria.