John married Sarah Hammond Wiswall on 19 Jan 1837 in Newton, Middlesex, Massachusetts, USA. Sarah (daughter of Joseph Wiswall, Sr. and Sarah Clark) was born on 11 Jun 1813 in Clarksville,Coos,New Hampshire, USA; died on 16 Jun 1862 in Clarksville,Coos,New Hampshire, USA. [Group Sheet] [Family Chart]