Orphan Sophia Hack (age 6), daughter of the deceased Christoph Hack, is recorded on the 1767 census of Dönhof in Household No. 26 along with the Konrad Queissner family. The 1767 census does not record a relationship between the Hack and Queissner families.
The 1767 census does not record from where Sophia Hack came.
There are no known surviving male lines of this Hack family among the Volga German colonies.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 348.