William married Katherine Hale Treat on 19 Sep 1655 in Boston, Suffolk, Massachusetts Bay, British Colonial America. Katherine (daughter of Richard Treat, Sr. and Alice Gaylord) was born on 29 Jun 1637 in Somerset, England; was christened on 29 Jun 1637 in Pitminster, Somerset, England; died on 29 Nov 1691 in New Haven, Connecticut, British Colonial America. [Group Sheet] [Family Chart]