 Rapp akaramba ari mumutsara wemoto: paEssling, akatungamira pamberi pevarwi vake ve Garde impériale uye akatakura zuva racho; panguva yekusainwa kweChibvumirano cheSchönbrunn, akadzivisa kuedza kwakarongwa kwaNapoleon nevechidiki Friedrich Staps; muRussia, akakuvadzwa nemabara mana muhondo yeMoscow musi wa5 kusvika 7 Gunyana 1812. Akaponesa upenyu hwaNapoleon kechipiri nokudzorera kurwisa kwevaKosaks paGorodnia uye akakuvadzwa zvakare pakupfuura kweBerezina, vachirwisana naNey vari kumashure. Somubati weDanzig, Rapp akabata guta racho kwegore rimwe pashure pokunge Grande Armée yabuda muRussia. 