Johannes Hanschu, farmer from Wersau, and his family immigrated to Denmark (Schleswig-Holstein) arriving in Friderica on 1 May 1760. They are last recorded among the Danish colonies on 26 April 1763. They joined the migration to Russia.
They settled in the Volga German colony of Shcherbakovka on 15 June 1765 and are recorded there on the 1767 census in Households No. 12 & 13.
- 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-541.
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga (Lincoln, NE: American Historical Society of Germans from Russia, 1999): Sv14, Sv15.
- Pleve, Igor. Einwanderung in das Wolgagebiet 1764-1767 Band 4 (Goettingen: Der Göttinger Arbeitskreis; 2008): 248.