Kaspar Rohschauer, a farmer, and his family arrived from Lübeck at the port of Oranienbaum on 8 August 1766 aboard the snow-brig Der Merkur under the command of Skipper Johann Heinrich Abelmann.
They settled in the Volga German colony of Rothammel on 21 August 1767 and are recorded there on the 1767 census in Household No. 14.
The 1767 census records that Kaspar Rohschauer came from the German village of Käfertal in the Kurpfalz region.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 84.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #3333.