In 1791, Johann Horn moved from Warenburg to Sewald.
Johannes Horn from Dehler is recorded on the 1798 census of Sewald in Household No. Sd31.
- 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): Sd31, Mv2988.