Johann Georg Reinhardt Daubert and his wife Esther arrived in Russia on 9 Aug 1766 with two children, both baptized in Büdingen: Anna Barbara, 17 Nov 1748; and Heinrich Jacob, 27 Jun 1751. They had three other children according to the Büdingen baptism records: Willhelmina, 24 Nov 1742; Heinrich Peter, 26 Apr 1744; and Maria Ernestina, 13 Feb 1746. Their marriage is not found in the Büdingen records. Anna Barbara married Johann Georg Fischer on 22 Apr 1766 in Büdingen. The Fischer couple settled in Schwab. The Daubert family settled in Kraft, and Heinrich Jacob later moved to Schwab.
- Parish records of Büdingen on Archion.de
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): p. 265
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): p. 404.