Magnus Zimmerberg, a craftsman (Handwerker), and his wife Anna Maria settled in the Volga German colony of Dobrinka on 10 June 1766. They are recorded there on the 1767 census in Household No. 40.
The 1767 census records that Magnus Zimmerberg came from the German village of Leppin in Swedish Pomerania.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 324.