There are two Fries families recorded on the 1775 census of Beideck. Their relationship to each other is not recorded:
(1) Martin Fries, age 64, and his family are recorded on the 1775 census of Beideck in Household No. 51 along with his son-in-law Gottfried Flemming.
(2) Andreas Fries and his family are recorded on the 1775 census of Beideck in Household No. 48. In 1790, Valentin Fries moved from Beideck to Stahl am Tarlyk.
- 1775 Census of Beideck (Nos. 47 & 51).
- 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): Bd11, St04, Mv0204.