Johannes Thiel [sic], a farmer, his wife Maria Anna, and children (Johannes, age 14; Joseph age 8; Christina, age 3; Peter, age ¾) are recorded on the 1767 census of Mariental in Household No. 30. They had settled there on 16 June 1766.
Son Johannes Diehl and his wife are recorded on the 1798 census of Mariental in Household No. Mt56. Son Joseph Diehl and his family are recorded on the 1798 census of Mariental in Household No. Mt42.
The death of Joseph Diehl in 1818 is recorded on the 1834 census of Mariental in Household No. 218.
The 1767 census records that Johannes Thiel came from the German village of Saargemünd in the region of Lothringen.
- 1834 Mariental Census (Household No. 218).
- 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): Mt42, Mt56.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 102.