Johannes Pfeifer, his wife Elisabeth, and son Andreas arrived from Lübeck at the port of Oranienbaum on 15 September 1766 aboard the ship Der Junge Heinrich under the command of Skipper Heinrich Niemann.
They are recorded on the 1767 census list of Beauregard recruits (No. 26). They are recorded on the 1798 census of Basel in Household No. Bs33.
The 1767 census records that Johannes Pfeifer came from the German village of Brockhausen.
- 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): Bs33.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 354.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #7220.