Johann Reinhard Brueckmann, son of Johann Peter Brueckmann, married Maria Catharina Merl (or Moerler), daughter of Johannes Moerler, on 22 January 1750 in the Evangelical (Lutheran) Church of Florstadt, about 26 kilometers northeast of Frankfurt am Main. Johann Reinhard & Maria Catharina had two boys, both in born and baptized in Florstadt: (1) Johann Heinrich, born on 16 March 1752 and baptized on 18 March 1752; and (2) Johannes, born on 10 April 1758 and baptized on 11 April 1758.The Brueckmann family immigrated to Russia, departing from the port of Lübeck by a pink commanded by Lieutenant Moisey Davydov, and arriving at the port in Oranienbaum, Russia, on 8 August 1766. During the transport to the Volga German colonies, Johann Reinhard's wife died. He and his two boys arrived in the Volga German colony of Köhler on 21 August 1767, and are recorded there as Catholics on the 1767 census in Household No. 74.On the 1798 census, son Johann Heinrich is still living in Köhler where he is recorded in Household No. Kl77.
- 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 Florstadt (LDS Film No. 1200603).
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 378.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): 272.