Heinrich Friesorger is recorded on the 1775 census of Grimm in Household No. 24, married to Elisabeth Lindt, the sister of Heinrich Lindt.
They are recorded on the 1798 census of Grimm in Household No. Gm002.
The death of Heinrich Friesorger junior in 1832 is recorded on the 1834 census of Bettinger in Household No. 74.
Georg Jakob Friesorger, Johann Andreas Friesorger, and their families from Grimm are recorded on the 1857 census of Oberdorf in Households No. 66 & 67.
- 1775 Grimm Census (Household No. 24).
- 1834 Bettinger Census (Household No. 74).
- 1857 Oberdorf Census (Households No. 66, 67).
- 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): Gm002.