Widower Wilhelm Müller, a tailor (Schneider), arrived in the Volga German colony of Beauregard on 3 August 1767 and is recorded there on an appendix to the 1767 census of Beauregard in Household No. 28 along with his stepchildren (surname Jensen). A note on the 1767 census records that Wilhelm Müller relocated to the colony of Hockerberg in 1768.
The 1767 census records that Wilhelm Müller came from the German village of Friedewald in the Hessen region.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 200.