Kammala jumla mai zuwa: An haifi Vaubois a Clairvaux (yanzu wani ɓangare na Ville-sous-la-Ferté, Aube). A shekara ta 1765 an nada shi laftanan bindiga a cikin Rukunin Metz. A cikin 1789 an nada shi Kyaftin Kwamandan Artillery. A shekara ta 1791 ya zama laftanan-kolonel na masu sa kai. Yayin da yake aiki tare da Sojojin Alps, an daukaka shi zuwa janar janar a watan Satumbar 1793 kuma zuwa janar na division a 1796. Bayan da aka canza shi zuwa Janar Napoleon Bonaparte na Sojojin Italiya, ya jagoranci sojojinsa a kama Livorno. An nada shi ya zama kwamandan wani bangare a yakin Bassan, ya shiga cikin nasara a
Yaƙin Rovereto a ranar 4 ga Satumba.