Adam Helwig, a miller (Müller), and his wife Maria Elschiedt are recorded on an appendix to the 1767 census of Katharinenstadt along with a note that they relocated to the colony of Schönchen in 1768.
In 1771, Adam Helwig and his wife moved from Boisroux to Schönchen.
The widow of Adam Helwig from Schönchen is recorded on the 1798 census of Mariental in Household No. Mt03.
The 1767 census records that Adam Helwig came from the German village of Alzey.
- 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): Mt03, Mv0273.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 326.