In 1788, widower Konrad Armbrüster moved from Müller to Shcherbakovka.
Konrad Armbrüster from Schuck and his family are recorded on the 1798 census of Shcherbakovka in Household No. Sv32.
- 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): Sv32, Mv1792.