Prince Kasper Doenhoff was a Polish nobleman of Baltic-German extraction, a Reichsfürst of the Holy Roman Empire and Governor of Dorpat Province within the Polish–Lithuanian Commonwealth. Upon converting to Catholicism, he became a trusted courtier and advisor to Sigismund III of Poland.
- Occupation
- politician
- Position held
- Tartu voivode, Voivode of Sieradz, Polish elector, Q64825239
- Citizenship
- Grand Duchy of Lithuania, Polish–Lithuanian Commonwealth
- Born
- January 1, 1588, 1588
- Died
- July 4, 1645
