Bonifazius Bleier, a farmer, his wife Marianna, and children (Margaretha, age 9; Konrad, age 5; Johann, age 1) are recorded on an appendix to the 1767 census of Kaneau in Household No. 35 along with a note that they relocated to the Volga German colony of Wittmann in 1768.
The 1767 census records that Bonifazius Bleier came from the German village of Lauben.
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga: Economy, Population, and Agriculture (Lincoln, NE: American Historical Society of Germans from Russia, 1999): Wm07.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 269.