Looking for information on the family of Johann Jacob Heydt b. Dec. 19, 1712 Duntzenheim, Alsace d. Mar. 24, 1775, m. Mar. 9, 1736, Anna Mader b. April 19, 1718 Duntzenheim, Alsace d. June 11, 1769.
One of their daughters Brigitta Heydt b. Feb. 14, 1750 Duntzenheim m. June 6, 1775 Johann Pieter Kastner b. c1750 Dettwiller, Alsace. Jean Georg Kastner son of Brigitta and Johann moved to Perth County, Ontario Canada.