Andreas & Sophia Margaretha Bonacker had four known children: (1) Catharina Henrica Margaretha, born in Fauerbach and baptized on 29 January 1746 in the Evangelical Church in Münster, 24 kilometers southeast of Frankfurt; (2) Johannes Conrad, also born in Fauerbach and baptized on 2 April 1751 in Münster; (3) Agnessa, born on 1 November 1753 and baptized on 4 November 1753 in the Evangelical Church in Grossen-Linden, about 11 kilometers south of Giessen; and (4) Christina Juliana, born on 30 July 1761 and also baptized in Grossen-Linden on 2 August 1761.
Andreas Bonacker and his family emigrated to Russia along with Johann Jost Ammenheuser who had married daughter Catharina Henrica Margaretha. They departed from Lübeck on the English frigate Love and Unity with skipper Thomas Fairfax and arrived at the port of Oranienbaum on 4 July 1766.
The Bonackers arrived in Paulskaya on 7 June 1767 and are recorded there on the 1767 Census in Household No. 76.
On the Paulskaya 1798 Census daughter Katharina is recorded there in Household No. Pl36 and daughter Agnessa in Household No. Pl49. Son Johannes moved to Orlovskaya in 1790 and is recorded there in 1798 in Household No. Or18.
- Parish records of Münster (LDS Film No. 1269952).
- Parish records of Grossen-Linden (LDS Film No. 1269705).
- Indexed records of Münster (Friedberg, Hessen) including Fauerbach vor der Höhe on Ancestry.com
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Der Göttinger Arbeitskreis, 2005): 349.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): 104.
- 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).