Benjamin married Anna Fuller on 29 Apr 1766 in Newton, Middlesex, Massachusetts, USA. Anna (daughter of Ensign Josiah Fuller, Sr. and Abigail Williams) was born on 4 Jun 1746 in Newton, Middlesex, Massachusetts, USA; died on 13 Aug 1825 in Charlton, Worcester, Massachusetts, USA; was buried in Bay Path Cemetery, Charlton, Worcester, Massachusetts, USA. [Group Sheet] [Family Chart]

1. Smith Williams was born on 15 Nov 1766 in Roxbury, Suffolk, Massachusetts, USA; died on 2 Apr 1775 in Roxbury, Suffolk, Massachusetts, USA; was buried in Eliot Burying Ground, Roxbury, Suffolk, Massachusetts, USA.
2. Abigail Williams was born on 25 Oct 1768 in Roxbury, Suffolk, Massachusetts, USA; died on 5 Sep 1826 in Waterford, Oakland, Michigan, USA; was buried in Waterford Village Cemetery, Waterford, Oakland, Michigan, USA.
3. Ephraim Williams was born on 1 Oct 1770.
4. Isaac Williams was born on 7 Dec 1772.
5. Major Oliver Williams was born on 6 May 1774 in Roxbury, Suffolk, Massachusetts, USA; died on 11 Oct 1834 in Waterford, Oakland, Michigan, USA; was buried in Oak Hill Cemetery, Pontiac, Oakland, Michigan, USA.