Rubuta ci gaba ga wannan sakin layi - An haifi Léchelle a ranar 2 ga Afrilu 1760 a Puyréaux. Yayinda yake saurayi ya shiga rundunar sojan Faransa a matsayin mai zaman kansa kuma daga baya ya zama malamin fencing a Saintes. Lokacin da Juyin Juya Halin Faransa ya barke, ya yi rajista a cikin National Guard na Charente-Inférieure. A shekara ta 1791 ya zama laftanan-kolonel na 1st "Charente" Battalion na masu sa kai. A ranar 20 ga Satumba, 1792, rundunar ta yi yaƙi a yakin Valmy.
a matsayin wani ɓangare na Hagu a ƙarƙashin Jean-Pierre François de Chazot. A ranar 6 ga Nuwamba a wannan shekarar 1st "Charente" ya kasance a Yaƙin Jemappes inda aka haɗa shi cikin Brigade na 1 na François Richer Drouet na Layin Farko na Hagu na Hagu a ƙarƙashin Jean Henri Becays Ferrand.