Johann Jakob Müller, a farmer, his wife Katharina, and son Konrad (age 13) are recorded on an appendix of the 1767 census of Boisroux in Household No. 29 along with a note that they relocated to the colony of Schaffhausen in 1768.
The 1767 census records that Johann Jakob Müller came from the German village of Ebescht [?].
- 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): Sh07, Sh13, Sh26, Sh29.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 167.