Philipp Niederquell and his family are recorded on the 1798 census of Schulz in Household No. Sz15.
The death of Philipp Niederquell is recorded on 6 August 1821 in the 1834-1843 Communion Register of Schulz.
The death of Johann Georg Konrad Niederquell, son of Philipp Niederquell, is recorded on 18 February 1838 in the 1834-1843 Communion Register of Schulz.
In 1787, Konrad Gottfried Niederquell moved from Schulz to Graf.
Konrad Niederquell from Schulz is recorded on the 1798 census of Graf in Household No. Gf11 along with his brothers (Gottfried, age 20; Heinrich, age 6) and mother Katharina Leidecker née Isferdin [?].
- 1834-1843 Schulz Communion Register.
- 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): Gf11, Gf35, Sz15, Mv2665.
Brent Mai