Gustav Hirsch, a craftsman (Handwerker), his wife Anna, and daughter Anan Dorothea (age 2) are recorded on the 1767 census of Galka in Household No. 21. They had settled there on 1 July 1765.
The 1767 census records that Gustav Hirsch came from the region of Petersburg.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 24.