Friedrich Wilhelm Bücker, a baker (Bäcker), and his wife Elisabeth are recorded on an appendix to the 1767 census of Katharinenstadt in Household No. 23.
In 1790, Wilhelm Bücker and his children moved from Biberstein to Näb.
Wilhelm Bücker from Biberstein is recorded on the 1798 census of Näb in Household No. Nb10.
Georg Bücker and his family are recored on the 1798 census of Biberstein in Household No. Bb20.
The 1767 census records that Friedrich Wilhelm Bücker came from the German region of Wetzlar.
Some sources erroneously record this surname as Bizar or Büser.
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga (Lincoln, NE: American Historical Society of Germans from Russia, 1999): Bb20, Nb10, Mv0255.
- Pleve, Igor. Einwanderung in das Wolgagebiet 1764-1767 Band 2 (Goettingen: Der Göttinger Arbeitskreis, 2001): 328.