Johann August Endersen, son of a pastor, and his brothers Heinrich Friedrich & Johann Friedrich immigrated to Denmark (Schleswig-Holstein) and are recorded there in the colony Friderichsholm on 8 August 1763. They are last recorded in the Danish colonies in November 1764.
They settled in the Volga German colony of Enders on 27 July 1765. Johann August Endersen and his wife are recorded there on the 1767 census in Household No. 6; Heinrich Friedrich in Household No. 7; and Johann Friedrich in Household No. 8.
The Eichhorns record that this Endersen family came from the German village of Moorsee bei Keil in the Holstein 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-332.
- 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): En03.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 383.