Orphan Michael Kastel (age 11) is recorded on the 1767 census of Keller in Household No. 57 along with the Johann Lemrich family. The 1767 census does not record a relationship between the Kastel and Lemrich families.
In 1797, Martin Kastel, believed to be the son of Michael Kastel, moved from Wittmann to Boisroux.
Martin Kastel from Wittmann and his family are recorded on the 1798 census of Boisroux in Household No. Bx12.
The death of Martin Kastel in 1830 is recorded on the 1834 census of Boisroux in Household No. 123.
The 1767 census does not record from where Michael Kastel came.
- 1834 Boisroux Census (Household No. 123).
- 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): Bx12, Mv3033.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 354.