Johann Jakob Bös, a farmer, and his family arrived from Lübeck at the port of Oranienbaum on 15 September 1766 aboard the ship Der Junge Heinrich under the command of Skipper Heinrich Niemann.
They settled in the Volga German colony of Graf on 23 July 1767 and are recorded there on the 1767 census in Household No. 31.
In 1784, Jakob Bös and his family moved from Ober-Monjou to Graf. In 1794, widow Maria Magdalena Bös and her son Anton moved from Graf to Schäfer.
The 1767 census records that Jakob Bös came from the German village of Kammerforst.
- 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): Gf43.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): Gf43, Mv2037, Mv2068.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #7202.