In 1781, Johann Adam Köppel moved from Hummel to Kind.
Johann Adam Köppel from Hummel and his family are recorded on the 1798 census of Kind in Household No. Kd22.
The death of Adam Köppel in 1830 is recorded on the 1834 census of Kind in Household No. 20.
- 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): Kd22, Mv1028.