Chronology
- from 1570 Teufel family
- from 1690 Count Franz Carl Hoyos (renovated by Johann Bernhard Fischer von Erlach)
- from 1740 Count Joseph Philipp Hoyos
- from 1781 Count Johann Philipp Hoyos and his wife, Countess Maria Christiana von Clary
- from 1799 Count Johann Ernest Hoyos (son of Count Johann Philipp Hoyos)
- from 1817 Caroline Bonaparte (youngest sister of Napoléon Bonaparte) and General Francesco Macdonald (very expensive sale)
- from 1828 Alexander Yermolov (Russian general, retired)
- from 1835 Mikhail Yermolov
- from 1839 Pierre Louis Jean Casimir de Blacas, 1st Duke of Blacas (bought)
- from 1844 Marie-Thérèse of France, daughter of Louis XVI of France
- from 1851 Henri, comte de Chambord (nephew-in-law of Marie-Thérèse of France)
- from 1886 Jaime, Duke of Madrid (nephew-in-law of the comte de Chambord)
- from 1931 Princess Beatrix Massimo (sister of the Duke of Madrid)
- from 1941 Sale of the palace to the Deutsche Reichspost
- from 1945 Russian troops occupy palace
- from 1955 takeover of the Austrian postal service
- from 1968 renovation by the Austrian postal service
Read more about this topic: Schloss Frohsdorf