Nyorai kupfuurira kweiyi ndima - Yakabva kumadzitateguru eBurgundian, akanga ari mudzidzi pachikoro chechiuto cheBrienne, ipapo akanga ari akapedza kudzidza pachikoro chechiuto cheParis. Nansouty akatanga basa rake rehondo muna 1785, semutungamiri wechipiri mu regiment "Bourgogne-Infanterie", uko baba vake vakanga vashumira munguva yehondo yaLouis XV. Mukuru wevatasvi vemabhiza pakatanga Hondo dzeFrance dzeRevolution muna 1792, Nansouty akagadzwa se "aide-de-camp" kuna Marshal Nicolas Luckner. Mukati meMutungamiri Wokutanga
, akaona basa salieutenant-colonel uye squadron mutungamiri mu9th (heavy) Cavalry Regiment, achirwira nemauto eFrance paRhine neGermany. Akakwidziridzwa kuva Colonel muna 1793 uye akapiwa mutungamiri we9th Cavalry, akacherechedzwa nokuda kwezviito zvakawanda zvevatasvi vemabhiza zvakanaka. Pakupedzisira akaita Brigadier General muna 1799, mushure mokunge aramba kukwidziridzwa kakawanda munguva yakapfuura, Nansouty akarwa gore rakatevera pasi peGeneral Jean Victor Moreau kumaodzanyemba kweGermany, mune imwe nhimbe yekusarudza yeChipiri Chibvumirano.