In 1784, Michael Giebelein left Mariental for Moscow.
Christian Giebelein and his family are recorded on the 1798 census of Mariental in Household No. Mt32.
The death of Christian Giebelein in 1829 is recorded on the 1834 census of Mariental in Household No. 55.
- 1834 Mariental Census (Household No. 55).
- 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): Mt32, Mv1627.