Johannes Stock (age 16) and his sister Eva (age 13) are recorded on a list of Beauregard recruits appended to the 1767 census in Household No. 123 along with their stepfather Karl Katzendorn.
Johannes Stock and his family are recorded on the 1798 census of Wittmann in Household No. Wm25.
The descendants of Johannes Stock are recorded on the 1834 census of Wittmann in Households No. 101 & 109.
The 1767 census does not record from where the Stock siblings came.
- 1834 Wittmann Census (Households No. 101, 109).
- 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): Wm25.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Der Göttinger Arbeitskreis, 2008): 374.