Counts of Questenberg Grafen von Questenberg Records #3 Holders Family filter On/Off Dominik Anton Andreas II, prince of Kaunitz and Rietberg * 1740 Rudolf, count of Wrbna-Kaunitz-Rietberg-Questenberg und Freudenthal * 1892 Rudolf, count of Wrbna-Kaunitz-Rietberg-Questenberg und Freudenthal * 1892 Corrections and Updates To suggest a correction or an update. Click Here