Joseph Boxler, a craftsman (Handwerker), his wife Margaretha Eva, and son Johann[es] (age 3) are recorded on the 1767 census of Mariental in Household No. 16. They had settled there on 16 June 1766.
Son Johannes Boxler and his family are recorded on the 1798 census of Mariental in Household No. Mt12.
The 1767 census records that Joseph Boxler came from the German village of Kirchberg in Schwaben (Swabia).
- 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): Mt12.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Der Göttinger Arbeitskreis, 2005): 99.