In 1787, Wilhelm Kniff moved from Schulz to Rohleder.
Wilhelm Kniff and his wife are recorded on the 1798 census of Rohleder in Household No. Rl33 along with a note that they are living in Herzog.
In 1787, Johann Georg Kniff and his family moved from Schulz to Schäfer.
On the 1798 Census of Schäfer (Household No. Sf27) incorrectly records this surname as Geier.
- 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): Rl33, Sf27, Mv2659, Mv2662.