Gottfried Mettich, a farmer, his wife Anna, and children (Anna Rosina, age 18; Johann, age 14) are recorded on an appendix to the 1767 census of Paulskaya in Household No. 32.
Widower Gottfried Mettich is recorded on the 1798 census of Susannental in Household No. Ss14.
There are no known surviving male lines of this family among the Volga German colonies.
- 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): Ss14.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 358.