Tuhia he tomokanga mo tenei whitianga - I te pakanga o te tau 1805, i wehewehe a Heudelet i a ia i Mariazell me Austerlitz i a ia e arahi ana i tetahi pirihimana III Corps. I tohua ia hei rangatira o te wehenga i te marama o Tihema 1805, i whakawhiwhia ia ki te rangatira o te wehenga VII Corps i te marama o Mei 1806. I roto i te Pakanga o te Whā o nga Rōpū
i arahi i tana wehenga i Jena, Kołoząb, Golymin, me Eylau. I te Oketopa 1808 i kitea ia i te rangatira o te wehenga VIII Corps i Spain. Kaore i roa ka whakawhitihia tana roopu ki te II Corps ka whawhai i te whakaekenga a Nicolas Soult ki Portugal i Porto i te tau 1809. I arahina e Heudelet te II Corps i te marama o Hanuere 1810 i mua i tana hokinga ki te whakahau o tana wehenga. I uru ia ki te whakaekenga a André Masséna ki Portugal, e whawhai ana ki Bussaco i te tau 1810. Kaore tana wehenga i uru ki Fuentes de Onoro a ka tukuna ia ki te kainga i muri tata mai. I te pakanga o te tau 1812 i whakahau ia i tetahi wehenga rahui i roto i te X Corps. I te mutunga o te whakapae roa o Danzig ka riro ia hei herehere a Allied i te Noema 1813.