Johann Ahlborg, a farmer, his wife Dorothea, and daughter Julianna (age 2-months) are recorded on a list of Beauregard recruits appended to the 1767 census (Household No. 29).
Widow Anna Dorothea Ahlborg née Junger and her son Johann Friedrich are recorded on the 1798 census of Basel in Household No. Bs17.
- 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): Bs17.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 355.