Matthias Bös, a craftsman (Handwerker), and his family settled in the Volga German colony of Schäfer on 1 August 1766. They are recorded there on the 1767 census in Household No. 26.
The 1767 census records that Matthias Bös came from the German village of Ellmendingen in the Durlach region.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 96.