Tuhia he tomokanga mō tēnei wāhanga - I te wā i uru atu ai a Puruhi ki te Rōpū Ono i te tau 1813, i mahi a Grolman hei Pire, ā, i whakahaua e ia tētahi poari o Brandenburg Landwehr. I uru ia ki te Pakanga o Hagelberg me nga aukati o Magdeburg me Wesel. I te Hōngongoi 1814 i hoki mai a Grolman ki tana mahi kaiwhakawa, engari i riro i a ia te whakahau o tana peihana Landwehr i te tau e whai ake nei i nga Ra kotahi rau. Mo tana kaiārahi i Fleurus me Wavre
I whakawhiwhia ki a ia te Iron Cross Class 1.