Heinrich Engel, recorded as a mason from Neunhof, and his wife Catharina settled in the Volga German colony of Beauregard on 27 August 1766. They are recorded there on the 1767 census in Household No. 19.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 182.