The marriage of Johannes Schlotthauer and Anna Maria Eckert is recorded on 9 April 1766 in the parish records of Spielberg.
Johann Schlotthauer, a farmer, and his wife Anna arrived from Lübeck at the port of Oranienbaum on 8 August 1766.
The couple settled in the Volga German colony of Huck on 1 July 1767 and are recorded there on the 1767 Census in Household No. 11.
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga (Lincoln, NE: American Historical Society of Germans from Russia, 1999): Hk18, Hk51, Hk52.
- Parish records of Spielberg (Archion.de)
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 142.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #3250.