Jacob Brücher, son of Johannes Brücher from Rimhorn, Breuberg, arrived as an orphan in Frank on 1 September 1767. He is listed there on the 1767 census in Household No. 93 living with the Johann Nicolaus Olt family.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 434.