“ In October 1791 he again joined the army, with the rank of lieutenant-general and became popular with the soldiers, amongst whom he was known as “général moustache.” General-in-chief of the army of the Vosges, he took Spires, Worms, Mainz and Frankfort in September and October 1792. He carried on the revolutionary propaganda by proclamations, and levied heavy taxes on the nobility and clergy. During the winter a Prussian army forced him to evacuate Frankfort, re-cross the Rhine and fall back upon Landau. ”