Joaholz Müller, a manufacturer from the district of Hanau, settled in the Volga German colony of Warenburg on 12 May 1767. He is recorded there on the 1767 census in Household No. 103.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 337.