Orphan Christoph Handorf (age 9) is recorded on the 1767 census of Boisroux in Household No. 87 along with the Christoph Kummer family. The 1767 census does not record a relationship between the Handorf and Kummer families.
The 1767 census records that Orphan Christoph Handorf came from the German region of Köthen.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 160.