Jakob Dorlosch, a soldier (Soldat), and his wife Anna Maria settled in the Volga German colony of Balzer on 16 July 1766. They are recorded there on the 1767 census in Household No. 2.
The 1767 census records that Jakob Dorlosch came from the German village of Blanenbach.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 71.