Johann Georg Birkner, a miller (Müller), his wife Maria, and daughter Maria (age 4) are recorded on an appendix to the 1767 census of Paulskaya (No. 110) along with a note that they relocated to the Volga German colony of Wittmann in 1768.
The 1767 census records that Johann Georg Birkner came from the German village of Hallburg.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 372.