Christian Feil and his family settled in the Volga German colony of Kukkus on 26 June 1767. Christian died there on 14 November 1767. His widow Maria Margaretha and son Christian (age 13) are recorded in Kukkus on the 1767 census in Household No. 48.
The 1767 census records that Christian Feil came from the German village of Weilrod near Braunfels.
- 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): Kk10.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 472.