Jakob Betz, a farmer, and his wife Maria arrived from Lübeck at the port of Oranienbaum on 18 June 1766 aboard the ship Die Perle under the command of Skipper Thomson.
They settled in the Volga German colony of Kolb on 13 May 1767 and are recorded there on the 1767 census in Household No. 11.
The 1767 census records that Jakob Betz came from the German village of Rüsselsheim in the region of Hessenburg.
- 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): Ko19.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 388.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #993.