Johannes Hartmann, a farmer, his wife Anna, and sons (Johann[es], age 6; Wilhelm, age 3) arrived from Lübeck at the port of Oranienbaum on 13 September 1766 aboard a ship under the command of Skipper Johann Grapp.
Johann[es] Hartmann, a carpenter (Zimmermann), his wife Anna Margaretha, and children (Johann Heinrich, age 8; Maria Barbara, age ¼) are recorded on the 1767 census of Rothammel in Household No. 25. They had settled in Rothammel on 6 September 1767.
In 1788, widower Johannes Hartmann and his son Sebastian moved from Rothammel to Semenovka.
Johann[es] Hartmann and his family are recorded on the 1798 census of Rothammel in Household No. Rt10.
The death of Johann[es] Hartmann in 1805 is recorded on the 1811 census of Rothammel in Household No. 10.
Johannes Hartmann, son of Johann[es] Hartmann, is recorded on the 1811 census of Rothammel in Household No. 10 along with a note that he relocated to the colony of Semenovka.
The 1767 census records that Johannes Hartmann came from the German village of Briedel in the Trier region.
- 1811 Rothammel Census (Household No. 10).
- 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): Rt10, Mv2490.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 86.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #5885.