Johann Konrad Müller, a craftsman (Handwerker), settled in the Volga German colony of Schäfer on 1 August 1766. He is recorded there on the 1767 census in Household No. 10 along with his new wife Anna Barbara (from the German region of Zweibrücken).
The 1767 census records that Johann Konrad Müller came from the German region of Sachsen-Gotha.
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga: Economy, Population, and Agriculture (Lincoln, NE: American Historical Society of Germans from Russia, 1999): Sf02.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 91.