Marquard Rudolf Reichsritter von Rodt zu Bußmannshausen, or Roth (9 April 1644, Konstanz, Holy Roman Empire – 10 July or 6 October 1704, Hegne[1]) was, from 1689 to 1704, the prince-bishop of the Bishopric of Constance.
His father was Johann Dietrich, knight chief and heir of Kempten Abbey; His mother was Maria Barbara von Westerstetten.
[2] On 14 April 1689, he was elected bishop of Constance in the third round by a narrow majority against the candidate of the Viennese court, Johannes Wolfgang von Bodman,[3] and on 6 March 1690 by Pope Alexander VIII.
In addition to the bishop's office, he was "Lord of the Reichenau (domini Augia maioris) and Öhningen.
[5] Marquard Rudolf died in Hegne Castle and was buried in the cathedral at Constance.