Gerhardt married Catherine Coon on 26 Nov 1761 in Amenia, Dutchess, New York, British Colonial America. Catherine was born on 16 Jun 1741 in Amenia, Dutchess, New York, British Colonial America; was christened on 16 Aug 1741 in Amenia, Dutchess, New York, United States; died on 8 Sep 1776 in Amenia, Dutchess, New York, United States; was buried in Amenia, Dutchess, New York, United States. [Group Sheet] [Family Chart]

Gerhardt married Anne Whitley on 23 Mar 1775 in Amenia, Amenia, Dutchess, New York, United States. Anne was born in 1755 in New York, United States; died in 1791 in New York, United States. [Group Sheet] [Family Chart]

Gerhardt married Currence Young on 9 Mar 1791 in Washington, New York, USA. Currence was born in 1768 in New York, USA; died in 1796. [Group Sheet] [Family Chart]

Family/Spouse: Catherine Coon. Catherine was born on 16 Aug 1741; was christened on 16 Aug 1741 in Linlithgo Reformed Church, Livingston, Columbia Co. New York; died in Before Mar 1775; was buried in Fort Ann Cemetery, Fort Ann, Washington, New York, United States of America. [Group Sheet] [Family Chart]