Widow Margaretha Martin settled in the Volga German colony of Katharinenstadt on 17 August 1767 and is recorded there on the 1767 census in Household No. 228.
The 1767 census records that Margaretha Martin came from the German village of Orb.
There are no known surviving male lines of this family among the Volga German colonies.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 322.