Johann Christoph Vorbrecht, a farmer, and his wife Julianna settled in the Volga German colony of Schäfer on 1 August 1766. They are recorded there on the 1767 census in Household No. 40.
The 1767 census records that Johann Christoph Vorbrecht came from the German village of Zimmern in the Württemberg region.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 99.