Johann Siebert, a farmer, his wife Anna Margaretha, and daughter Anna Maria (age 7) settled in the Volga German colony of Semenovka on 24 July 1767. They are recorded there on the 1767 census in Household No. 19.
The widow of Johann Siebert is recorded on the 1798 Katharinenstadt census in Household No. Ka080.
The 1767 census records that Johann Siebert came from the German village of Hosenfeld in the Fulda region.
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): Ka080.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 182.