Jonathan married Virtue Hemenway on 30 Oct 1796 in Shrewsbury, Worcester, Massachusetts, USA. Virtue (daughter of Silas Hemenway and Mary Molly Smith) was born on 23 Jan 1775 in Shrewsbury, Worcester, Massachusetts, USA; died on 10 May 1849 in Shrewsbury, Worcester, Massachusetts, USA. [Group Sheet] [Family Chart]

1. Thomas Witherby, Sr. was born on 2 Apr 1797 in Shrewsbury, Worcester, Massachusetts, USA; died on 12 Aug 1850 in Port Henry,,New York, USA.
2. Seth Witherby was born about 1799 in likely Shrewsbury, Worcester, Massachusetts, USA .
3. Levi Jennison Witherby was born about 1801 in Bridport, Addison, Vermont, USA.
4. Relief Witherby was born on 23 Jan 1808 in Bridport, Addison, Vermont, USA; died on 11 Dec 1876.
5. Mary Hemenway Witherby was born in 1810 in Bridport, Addison, Vermont, USA.
6. Sarah Merriam Witherby was born in 1811 in Bridport, Addison, Vermont, USA; died on 7 Apr 1838 in Barnet, , Vermont, USA.
7. Silas Hemenway Witherby was born about 1813 in likely Bridgport,Addison,Vermont, USA.
8. Susan Temple Witherby was born about 1815 in likely Bridport, Addison, Vermont, USA .