Christina Heinrich (age 14) and her sisters (Katharina, age 12; Maria, age 10; Margaretha, age 7) are recorded on the 1767 census of Paulskaya in Household No. 56 along with the Christian Bergmann family. The 1767 census does not record a relationship between the Heinrich and Bergmann families.
The 1767 census also does not record from where the Heinrich sisters came.
There are no known surviving male lines of this Heinrich family among the Volga German colonies.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 344.