Isaac married Catharina Swartwout on 2 May 1751 in Poughkeepsie, NY. Catharina (daughter of Abraham Swartwout and Tryntjen Van Kleeck) was born on 2 Feb 1734/35 in Kingston, Ulster County, NY. [Group Sheet] [Family Chart]
Abraham married Tryntjen Van Kleeck about 1726. [Group Sheet] [Family Chart]