Johann Heinrich Brahm from Katharinenstadt and his family are recorded on the 1798 census of Bettinger in Household No. Bt05.
The death of Heinrich Brahm in 1819 is recorded on the 1834 census of Bettinger in Household No. 27.
There are no known surviving male lines of this Brahm family among the Volga German colonies.
- 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): Bt05.