Widow Christina Gräf is recorded on an appendix to the 1767 census of Katharinenstadt in Household No. 53 along with a note that she relocated to the colony of Meinhard in 1768.
The 1767 census records that Christina Gräf came from the German village of Fritzlar.
There are no known suriviving male lines of this family among the Volga German colonies.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 332.