Hubert Marx, a farmer, and his family settled in the Volga German colony of Louis on 14 June 1766 and are recorded there on the 1767 census in Household No. 35 along with his stepchildren.
The 1767 census records that Hubert Marx came from the German village of Kirchberg in the region of Baden-Durlach.
- 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): Ls51.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 88.