Bernhardus Seher, a farmer, and his wife, Anna, settled in the Volga German colony of Preuss on 15 July 1767. They are recorded there on the 1767 census in Household No. 63.
In 1790, Heinrich Seher moved from Preuss to Saratov.
The 1767 census records that Bernhardus Seher came from the village of Remich in Luxembourg.
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga (Lincoln, NE: American Historical Society of Germans from Russia, 1999): Mv2353.
- Pleve, Igor. Einwanderung in das Wolgagebiet 1764-1767 Band 3 (Goettingen: Der Göttinger Arbeitskreis; 2005): 423.