Kammala wannan jumla: An haifi Thielmann a Dresden. Shigar da Saxon sojan doki a 1782, ya ga sabis a kan Faransa a cikin
Yaƙin neman zaɓe na Rhine kuma ya yi aiki a gefen Prussia a yakin Jena. Bayan bala'in Jena, Saxony ta aika Thielmann a matsayin jakada ga Napoleon I, ya zama mai sha'awarsa, kuma ya yi abubuwa da yawa don kawo haɗin kan Franco-Saxon. Thielmann ya kasance tare da rukunin Saxon wanda ya yi yaƙi a kewaye da Danzig da Friedland.