Heinrich Assemacher and his family arrived from Lübeck at the port of Oranienbaum on 30 May 1766 aboard the pink Lopamink under the command of Lieutenant Kryukov.
They settled in the Volga German colony of Preuss on 12 May 1767 and are recorded there on the 1767 census in Household No. 12.
In 1788, Joseph Assemacher moved from Preuss to Brabander.
The Oranienbaum passenger list records that Heinrich Assemacher was a farmer while the 1767 census records that he is a miner (Bergarbeiter).
The 1767 census records that Heinrich Assemacher came from the German village of Rheinbreitbach.
- 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): Bn15, Mv2341.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 12.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #417.