Widow Dorothea Louise Lübert is recorded on the 1767 census of Boisroux in Household No. 93. She had settled there on 3 August 1767.
The 1767 census records that Dorothea Louise Lübert came from the German village of Oranienbaum in the Dessau region.
There are no surviving male lines of this Lübert family recorded among the Volga German colonies.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 161.