Franz Heinrich Esler, a farmer, and his wife Anna Margaretha settled in the Volga German colony of Bauer on 20 July 1766. They are recorded there on the 1767 census in Household No. 15.
The 1767 census records that Franz Heinrich Esler came from the German village of Rederank in the Mecklenburg region.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 119.