Queen Maria Theresa was from Habsburg .
Queen Maria Theresa lost Silesia in 1742 to King Frederick II of Prussia by the Treaty of Breslau , with the exception of Austrian Silesiaand , at times : * The Duchy of Austria in 1251 , the Duchy of Styria in 1261 , the Egerland in 1266 , the Duchy of Carinthia with the March of Carniola and the Windic March in 1269 and the March of Friuli in 1272 , all acquired by King Ottokar II Přemyslid and lost to Rudolph of Habsburg in the 1278 Battle on the Marchfeld .
Kingdom of Bohemia