Rubuta ci gaba don wannan sakin layi - A farkon Yaƙin Ƙungiyar na Biyu a 1799, lokacin da aka kafa rundunonin Danube da Helvetia, an sanya shi ga Sojojin Danube a ƙarƙashin umurnin Jean Baptiste Jourdan. Rundunarsa ta 10 ta kasance wani ɓangare na Laurent de Gouvion Saint-Cyr's III. Rukunin, kuma ya riƙe gefen hagu na hagu a yakin Ostrach, 21 Maris 1799, a kudu maso yammacin Jamus. Kodayake an ji rauni a ranar 14 ga Agusta 1799 a Switzerland, ya shiga cikin Yaƙin na biyu na Zurich
inda rundunarsa ta 10 "Chasseurs à Cheval" ta fatattaki rundunar Rasha, wani muhimmin lokaci a nasarar Faransa. Ordener ya zama colonel na rundunar a 1801 kuma a ranar 29 ga Agusta, 1803, an daukaka shi zuwa janar na brigade.