Gerhard Froschhauser, a farmer, his wife [Maria] Susanna [Trapp], mother-in-law Anna Katharina, and sister-in-law Magdalena Trapp arrived from Lübeck at the port of Oranienbaum on 8 August 1766 aboard a pink under the command of Lieutenant Moisey Davydov.
They settled in the Volga German colony of Köhler on 21 August 1767 and are recorded there on the 1767 census in Household No. 81.
In 1793, Johann Peter Froschhauer moved from Köhler to Volmer.
The 1767 census records that Gerhard Froschhauser came from the German village of Steinheim in the Mainz region.
- 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): Vm33, Mv1327.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 380.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #4202.