Jakob Rothbrust, a farmer, and his wife Elisabeth arrived from Lübeck at the port of Oranienbaum on 31 May 1766 aboard the pink Slon under the command of Lieutenant Sergey Panov.
They settled in the Volga German colony of Leichtling on 14 June 1767 and are recorded there on the 1767 census in Household No. 26.
The 1767 census records that Jakob Rothbrust came from the German village of Seligenstadt in the region of Mainz.
- 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): Lg28.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 57.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #581.