Johann Georg Müller settled in the Volga German colony of Warenburg on 12 May 1767. He is recorded there on the 1767 census in Household No. 113.
The 1767 census records that he came from the German village of Langenhain near Darmstadt.
- 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): Wr012.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 338.