Peter Gerach and his wife Susanna arrived from Lübeck at the port of Oranienbaum on 22 August 1766 aboard a galliot named Eva Maria under the command of Skipper Franz Christopher Schröder.
Widow Sus. Elis. Gerig [sic] is recorded on a list of colonists being transported from St. Petersburg to Saratov in 1767 along with a note that she died en route.
There are no known surviving male lines of this family among the Volga German colonies.
- Idt, Andreas and Georg Rauschenbach. Auswanderung deutscher Kolonisten nach Russland im Jahre 1766 (Moscow: Idt & Rauschenbach, 2019): 34.
- Idt, Andreas and Georg Rauschenbach. Deutsche Kolonisten im Jahr 1766 in Oranienbaum und in den Siedlungsorten: Die Kuhlberg-Listen (Moscow: Idt & Rauschenbach, 2024): 849.
- Oranienbaum passenger list #6885 [not included in the Kuhlberg List published by Igor Plehve].
- Rauschenbach, Georg. Deutsche Kolonisten auf dem Weg von St. Petersburg nach Saratow: Transportlisten von 1766-1767 (Moscow: G.V. Rauschenbach, 2017): #4798.
Brent Mai