Othaniel married Sarah WINSOR on 3 Feb 1734 in Rhode Island, Colonial America. Sarah (daughter of Joshua (Rev) WINSOR and Mary BADURY BARKER) was born on 27 August 1707 in Smithfield, Providence County, Rhode Island, USA; died in 1808 in Smithfield, Providence County, Rhode Island, USA; was buried in North Smithfield, Providence County, Rhode Island, USA. [Group Sheet] [Family Chart]

1. Daniel MATHEWSON was born on 19 June 1738 in Smithfield, Providence County, Rhode Island, USA; died on 5 April 1814 in Smithfield, Providence County, Rhode Island, USA; was buried in North Smithfield, Providence County, Rhode Island, USA.
2. Sarah MATHEWSON was born on 25 August 1740 in Smithfield, Providence County, Rhode Island, USA; died on 17 June 1821 in Central Falls, Providence County, Rhode Island, USA; was buried in Central Falls, Providence County, Rhode Island, USA.
3. Joshua MATHEWSON was born on 26 December 1741 in Burrillville, Providence County, Rhode Island, USA; died in June 1772 in Burrillville, Providence County, Rhode Island, USA; was buried in Burrillville, Providence County, Rhode Island, USA.
4. Susannah MATHEWSON was born on 20 June 1744; died on 26 June 1822; was buried in Burrillville, Providence County, Rhode Island, USA.
5. Mary MATHEWSON was born on 5 August 1746 in Smithfield, Providence, Rhode Island, Colonial America; died on 15 February 1827 in Central Falls, Providence, Rhode Island, USA; was buried in Lincoln, Providence County, Rhode Island, USA.
6. Joseph MATHEWSON, Sr was born on 20 December 1748 in Providence, Providence, Rhode Island, USA; died on 18 November 1812 in Providence, Providence, Rhode Island, USA; was buried in North Smithfield, Providence County, Rhode Island, USA.