Anna Maria Degass, her unnamed husband, and their son, Johannes, settled in the Volga German colony of Keller on 12 May 1767. The unnamed husband died on 14 November 1767. The widowed Anna Maria and her son are recorded on the 1767 census of Keller in Household No. 67.
The 1767 census records that the Degass family came from the German village of Bissersheim in Kurmainz.
- Pleve, Igor. Einwanderung in das Wolgagebiet 1764-1767 Band 2 (Goettingen: Der Göttinger Arbeitskreis; 2001): 356.