Johann Adam Engel, a farmer, and his wife Magdalena are recorded on a list of Beauregard recruits appended to the 1767 census of the Volga German colonies.
In 1775, Magdalena Engel [believed to be the widow of the above Johann Adam Engel] and her children moved from Zug to Wittmann.
Anton Engel from Zug, his family, and his brothers are recorded on the 1798 census of Wittmann in Household No. Wm29. Notes on this census record that Anton's brother Peter Engel is working in Ober-Monjou and that brother Christoph Engel is working in Katharinenstadt.
Christoph Engel and his family are recorded on the 1834 census of Ober-Monjou in Household No. 14.
The 1767 census records that Johann Adam Engel came from the German village of [Bad-]Orb.
- 1834 Ober-Monjou Census (Households No. 14, 103).
- 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): Wm29, Mv3055.
- Pleve, Igor. Einwanderung in das Wolgagebiet 1764-1767 Band 4 (Goettingen: Der Göttinger Arbeitskreis; 2008): 364.