Johann Georg Hayn, son of Mathes Hayn, married on 5 March 1750 in Wächtersbach to Anna Maria Jockel, daughter of Johannes Jockel. Their children, born in Wächtersbach, are: Johann Ludwig (b. 2 May 1753), Anna Catharina (b. 4 April 1756), and Christian Friedrich (b. 19 September 1762). In Wächtersbach, the spelling of the surname varies: Haÿn or Hayn.
The family immigrated to Russia, arriving at the port of Oranienbaum on 8 August 1766. They settied in the Volga German colony of Huck on 1 July 1767 where they are recorded on the 1767 Census in Household No. 2.
- Parish records of Wächtersbach.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 140.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #3140.