Christoph Werbach, a farmer, and his wife Elisabeth arrived from Rewal at the port of Oranienbaum on 31 May 1766 aboard the pink Slon under the command of Lieutenant Sergey Panov.
They settled in the Volga German colony of Hildmann on 14 May 1767 and are recorded there on the 1767 census in Household No. 8.
Adam Werbach is recorded on the 1834 census of Mariental in Household No. 43.
The Oranienbaum passenger list records that Christoph Werbach came from the German region of Würzburg while the 1767 census records that he came from the German village of Gmünd in the Württemberg region.
- 1834 Mariental Census (Household No. 43).
- 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): Hd07, Hd18, Kl58.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 99.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #585.