Johann Jacob Wels [sic] & Johanna Sophia Leo were married 23 September 1765 in Roßlau.
[Johann] Jakob Weltz, a weaver (Weber), and his wife [Joh]Anna Sophia settled in the Volga German colony of Katharinenstadt on 27 August 1766. They are recorded there on the 1767 census in Household No. 22.
In 1789, Christoph Weltz moved from Katharinenstadt to Bettinger.
Christoph Weltz from Katharinenstadt is recorded on the 1798 census of Bettinger in Household No. Bt04.
The 1767 census records that Jakob Weltz came from the German village of Trugermünde [Tangermünde?] in the Brandenburg region.
- 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): Bt04, Mv1195.
- Mai, Brent Alan and Dona Reeves-Marquardt. German Migration to the Russian Volga (Lincoln, NE: American Historical Society of Germans from Russia, 2003): #878.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 281.