Johann Georg Haÿn (son of Mathes Haÿn) and Anna Maria Jockel (daughter of Johannes Jockel) married in Wächtersbach on 5 Mar 1750. They arrived in Russia with three children, all baptized in Wächtersbach on the following dates: Johann Ludwig, 2 May 1753; Anna Catharina, 4 Apr 1756; and Christian Friedrich, 19 Sep 1762. The family arrived in Russia on 8 Aug 1766, and settled in Huck. They are reported on the Huck First Settler’s List in Family #2. The surname is generally spelled “Hein” in later records.
Parish records of Wächtersbach (Gelnhausen, Kassel Archiv) on Archion.de
Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010), p. 209
Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001), p. 140