Pierre Gloo, a physisian (Arzt), and his wife Dorothea settled in the Volga German colony of Katharinenstadt on 3 August 1767. They are recorded there on the 1767 census in Household No. 143.
The 1767 census records that Pierre Gloo came from the French city of Paris. The 1767 census also records that according to other information, he comes from the city of Dijon in Burgundy, and his wife is from Paris.
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: Der Göttinger Arbeitskreis, 2001): 306.