At the end of that campaign on the Danube he received the title of count and remained in close attendance on Napoleon, who confided to him several important duties, a mission to the Austrian commander Archduke Ferdinand Karl Joseph of Austria-Este at Würzburg among others.
At the end of that campaign on the Danube he received the title of count and remained in close attendance on Napoleon, who confided to him several important duties. He was chosen for a mission to discuss diplomatic matters with the Austrian commander Archduke Ferdinand Karl Joseph of Austria-Este at Würzburg among others.