Heinrich Kleweno and his family are recorded on the 1798 census of Yagodnaya Polyana in Household No. Yp18.
Descendants of the Kleweno family are recorded on the 1834 census of Yagodnaya Polyana in Households No. 189, 217, 235, & 258.
- 1834 Yagodnaya Polyana Census (Households No. 189, 217, 235, 258).
- 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): Yp18.