I am related to Johann Heinrich Fassbender. He was born abt 1770 and was married to Dorothea Christina Elisabeth Sander. Their children were Conradine Philippine Austine Fassbender born 3/15/1802,Johann Carl born 12/18/1796, Johanna Rosina born 11/06/1798, Johann Wilhelm Ferdinand born 8/28/1815 and Christian Heinrich born 9/18/1820 but died as a infant 11/24/1820.
If any of these are ancestors of yours please advise.
I do have Johann, the father lived in Freiburg, Germany