Joseph Klephahn, a craftsman (Handwerker), and his family settled in the Volga German colony of Mariental on 14 June 1766. They are recorded there on the 1767 census in Household No. 48.
In 1792, Georg Klephahn moved from Mariental to Graf.
The 1767 census records that Joseph Klephahn came from the German region of Eger.
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga: Economy, Population, and Agriculture (Lincoln, NE: American Historical Society of Germans from Russia, 1999): Gf16, Mv1646.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 107.