Johann Adam Jöst, son of Johann Adam & Eva Jöst, was born 27 February 1741 in Siedelsbrunn (west of Weinheim) and baptized on 2 March 1741 in nearby Wald-Michelbach. He immigrated to Denmark (Schleswig-Holstein) where he married on 13 June 1760 in Thorning to Eva Katharina Rothermel, daughter of Georg Ludwig Rothermel & Anna Catharina Heym, and probably related to Georg Rothermel. She was born on 21 February 1740 in Hammelbach and baptized on 23 February 1740 also in Wald-Michelbach.
Adam Jöst and Eva Katharina Rothermel are recorded in Anton on the 1798 Census in Household No. An59.
Lang, Gerhard. German Colonists of Denmark on the Volga.
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 for Wald-Michelbach (LDS Film No. 1340338).