Tuhia he whakamāramatanga mō tēnei wāhanga - I te uiui a Napoleon mō ngā ngaru mō te whakaekenga o Ingarangi, ka hoatu e te kaipuke taitamariki ki te Emepara he whakautu kaha, poto hoki. I whakauruhia ki nga hoia o te Tiaki i te ope taua i te tau 1806 me te 1807, i mahia e ia i roto i nga tau e rua enei pakanga ki Prussia, Poland me Pomerania; i whawhai ia ki Jena, ki Pułtusk, te whakapae o Stralsund me Graudentz, i whara ai ia. I whakawhiwhia ki te ope taua o Spain i te tau 1808, ka noho ia hei kaitiaki o Marshal Bessières; i wehewehea ia i te Pakanga o Medina de Rioseco, ka whara i te Pakanga o Somosierra
, a ka kite ia i te hopu o Madrid, i te tau 1809, me te Pakanga o Wagram.