Johann Georg Rauhen, a son of Johann Martin & Eva Maria Rauh, was born on 12 October 1700 and baptized on 13 October 1700 in the Lutheran Church of Altheim, located about 18 kilometers northeast of Darmstadt. He married to Anna Margaretha Eisdmann, daughter of Conrad Eisdmann, on 28 January 1744 in Altheim.
They had six known children, most of them baptized in Althheim: (1) Catharina, born in 1745; (2) Johann Georg, born on 29 October 1748 and baptized on 31 October 1748; (3) Ottilia, born on 10 February 1751, and baptized on 12 February 1751; (4) Johann Adam, born on 16 September 1752, and baptized on 18 September 1752; (5) Johann Peter, born on 12 March 1755, and baptized on 14 March 1755; and (6) Helena, born in 1756.
Johann Georg Rauh and his family immigrated to Russia. On their journey to the Volga German colonies, daughter Catharina married Johannes Bischoff. All of them arrived in the colony of Dobrinka on 20 June 1767.
They are recorded there on the 1767 census in Household No. 77. Daughter Catharina and her family are registered in Household No. 79. Son Johann Georg, single, is listed in Household No. 90.
On the 1798 census of Dobrinka , descendants of this family are recorded in Households No. Db01, Db22, and Db46.
- 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 Freistett (LDS Film No. 1189674).
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Der Göttinger Arbeitskreis, 1999): 284.
- Pleve, Igor. List of Colonists to Russia in 1766 "Reports by Ivan Kulberg" (Saratov: Saratov State Technical University, 2010): 170.