 Complete the following phrase:  Werlé received the rank of Chef de Brigade on 25 March 1799 and promoted to Général de Brigade on 29 August 1803. He commanded a brigade in Jean-Baptiste Drouet, Comte dErlons division of Marshal Jean-Baptiste Bernadottes I Corps at the Battle of Austerlitz. Still serving as an I Corps brigadier, he played a role in the Battle of Schleiz on 9 October 1806, clearing a forest of Prussian outposts. He participated in the pursuit of the Prussian Army after Emperor Napoleons army defeated it at the Battle of JenaAuerstedt. He participated in the defeat of Duke Eugen of Württembergs corps at the Battle of Halle on 17 October. Later, he was in on the defeat and capture of Gebhard Leberecht von Blüchers column in the 