Parish records in Fränkisch-Crumbach south of Darmstadt include a listing of colonists who left for Russia in May 1766. Among them are listed Johann Christof Lichtenberg with his wife Anna Marg. Weber and two other persons. They are listed on the 1767 census of the Volga German colony of Walter in Household No. 42, having arrived there on 25 August 1767.
Additional records indicate that "two other persons" are Eva and Christina Weber, Anna Margaretha's sisters. They appear in Household No. 41 on the 1767 census of Walter along with another Weber sister (Maria) who is married to Philipp Walter.
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga (Lincoln, NE: American Historical Society of Germans from Russia, 1999): Wt096.
- Mai, Brent Alan and Dona Reeves-Marquardt, German Migration to the Russian Volga (1764-1767) (Lincoln, NE: American Historical Society of Germans from Russia, 2003): 179.
- Parish records of Fränkisch-Crumbach (LDS International Film Nos. 1190573 and 1599925).
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 304.