Johann Georg Pfeifer and Catharina Fries were married 6 May 1751 in Bruchköbel, Hanau. He was from Bruchköbel and she was from Niederrodenbach. They had three children in Bruchköbel prior to departing for Russia: Anna Maria, Johannes, and Jacob.
They immigrated to Russia, arriving from Lübeck at the port of Oranienbaum on 18 June 1766 aboard the ship Die Perle under the command of Skipper Thomson. Both parents and the youngest child died during the trip to Russia.
The surving children settled in the Volga German colony of Kolb on 13 May 1767 and are recorded there on the 1767 census in Household No. 1 (Anna Maria, age 14) and No. 18 (Johannes, age 12).
- 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): Ko01.
- Parish records of Bruchköbel, HanauLand - Archive of the Evangelical Church of Kurhessen-Waldeck in Kassel (Archion.de)
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 385.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #1017.