On 1 Nov 1817 when Isaac was 19, he married
Geertje Pouwelse (62514) , daughter of
Richard Pouwelse (53803) (1 Oct 1773-12 Apr 1873) &
Helena Zabriskie (2 Jul 1777-10 Apr 1867), in Bergenfield, New Jersey.
Born on 18 Sep 1796. Geertje died on 27 May 1847; she was 50.