What was Ignaz von Seyfried and Franz von Suppé's nationality?
Ignaz von Seyfried Ignaz Joseph Ritter von Seyfried (15 August 1776 – 27 August 1841) was an Austrian musician, conductor and composer. He was born and died in Vienna. According to a statement in his handwritten memoirs he was a pupil of both Wolfgang Amadeus Mozart and Johann Albrechtsberger. He published Albrechtsberger's complete written works after his death. His own pupils included Franz von Suppé, Heinrich Wilhelm Ernst, Antonio Casimir Cartellieri, Joseph Fischhof and Eduard Marxsen.
Emmerich Joseph de Dalberg Emmerich Joseph Wolfgang Heribert de Dalberg, 1st Duke of Dalberg (31 May 1773 – 27 April 1833) was a German diplomat who was elevated to the French nobility in the Napoleonic era and who held senior government positions during the Bourbon Restoration.