Johann Georg & Anna Maria Kildau had six children, each baptized in the Evangelical Church of Einselthum, 20 kilometers west of Worms: (1) Heinrich, on 12 January 1749; (2) Johann Adam, on 12 September 1751; (3) Conrad, on 24 February 1754; (4) Johann Jacob, on 30 November 1756; (5) Maria Elisabetha, on 28 February 1759; and (6) Johann Casimir, on 30 July 1761.
Johann Georg Kildau and his family emigrated to Russia, departing from Lübeck aboard a Russian packet-boat under the command of the lieutenant Korsakov. They arrived in Oranienbaum on 31 July 1766.
The family arrived in the Volga German colony of Kautz on 20 July 1767 and are recorded there on the 1767 Census in Households No. 9 & 10.
By the time of the 1798 Kautz Census, Johann Georg is living in Household No. Kz30. In 1793, son Heinrich moved to Dietel where he and his descendants are recorded on the 1798 Census in Household No. Dt56. Son Johann Adam moved to Hussenbach where he is recorded on the 1798 Census in Household No. Hs001.
- 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).
- Parish records of Einselthum (LDS Film No. 193834).
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Der Göttinger Arbeitskreis, 2001): 235.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): 189.