Johann Friedrich Gerlach, a single tailor (Schneider), arrived from Lübeck at the port of Oranienbaum on 8 August 1766 aboard a ship under the command of Skipper Wiebe Heinrichson.
He settled in the Volga German colony of Kukkus on 26 June 1767 where he is recorded along with his new wife, Katharina, on the 1767 census in Household No. 8.
The 1767 census records that Johann Friedrich Gerlach came from the German village of Allendorf near Braunfels.
- 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): Kk48.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 464.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #3566.