Johannes Grauberger, a joiner (Tischler), his wife Maria, and son Friedrich (age 12) arrived from Lübeck at the port of Oranienbaum on 22 July 1766 aboard a Russian packet-boat under the command of Lieutenant Trusov.
They settled in the Volga German colony of Dietel on 1 July 1767 and are recorded there on the 1767 census in Household No. 21.
The 1798 census of Holstein records Johann Konrad Grauberger from Dietel in Household No. Ho34.
Johann Friedrich Grauberger from Holstein and his family are recorded on the 1857 census of Oberdorf in Household No. 38.
David Grauberger from Dietel and his family are recorded on the 1857 census of Gnadentau.
The Oranienbaum passenger list records that Johannes Grauberger came from the German region of the Pfalz. The 1767 census records that Johann Grauberger came from the town of Straßburg in the Alsace region.
- 1857 Gnadentau Census.
- 1857 Oberdorf Census (Household No. 38).
- 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): Dt07, Ho34.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Der Göttinger Arbeitskreis, 1999): 287.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #2468.