Maria Bergheuser (age 6) and her sister Anna (age 4) are recorded on the 1767 census of Susannental in Household No. 11 along with their stepfather Johann Philipp Nenner.
The 1767 census does not record from where the Bergheuser sisters came.
There are no known surviving male lines of this family among the Volga German colonies.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 261.