Heinrich Klinkhefer, a single farmer, settled in the Volga German colony of Boisroux on 17 August 1767 and is recorded there on the 1767 census in Household No. 96.
The 1767 census records that Heinrich Klinkhefer came from the German village of Gumerthausen [Germershausen?].
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 162.