Andreas Grass and his family immigrated to Denmark (Schleswig-Holstein), arriving in Flensburg on 4 July 1761 as a servant of Michael Fritzle.
They joined the migration to Russia and settled in the Volga German colony of Dobrinka on 15 April 1765. They are recorded there on the 1767 census in Household No. 54.
The 1798 Census of Galka records Andreas Grass from Dobrinka in Household No. Gk26.
The Eichhorns record that Andreas Grass came fom the German village of Niederhofen, Amt Brackenheim, Württemberg. The 1767 Census records that Andras Krassel [sic] came from the German village of Niederhof in the Württemberg region.
- Eichhorn, Alexander, Jacob & Mary Eichhorn. The Immigration of German Colonists to Denmark and Their Subsequent Emigration to Russia in the Years 1759-1766 (Deiningen, Germany: Drukerei und Verlag Steinmeier GmbH & Co. Kg, 2012): B-496.
- 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): Db33, Gk26.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 327.