 Nyorai kupfuurira kweiyi ndima - Akamanikidzirwa kugara gore muEngland, pasinei zvapo nezvinodikanwa zvaLouis XV naMambo Charles VII. Mukati memishandirapamwe yeFrance ya174647, Belle-Isle aive mukutungamira pamuganhu weAlpine. Ikoko munununa wake, Chevalier de Belle-Isle, akashanda ari pasi pake. Wechiduku Belle-Isle akatungamirira uto reFrance rakatumwa kuzopinda muPiedmont uko akaurayiwa muHondo yeAssietta. Pashure pokukundwa, mauto eFrance akaneta uye akashaya ushingi. Zvisinei, Belle-Isle yakwegura ichiri kukwanisa kudzorera kutevera kweProvence nemauto eAustria neItaly uye yakadzosera kurwa mumupata weLombardy. Pakunyarara, nokudaro achidzorera mukurumbira wake wehondo kubva munjodzi dza 1742-43, Belle-Isle akaitwa Peer weFrance muna 1748. Mambo Louis XV aizomuita Secretary of State for War muna 1758, chinzvimbo icho Belle-Isle aizobata kusvikira parufu rwake muna 1761. 