Source 1. Ipswich Marriages pg:67.
Source 2. Ipswich In The Massachusetts Bay Colony pg: 720, Book 974.45/12 H2w vol. 2.
Source 3. The Giddings Family
Source 2 lists William as son of John Brown; John Brown bequeathed his farm to his sons James & William in 1721.The William Brown land passed by inheritance through successive generations & is now held by E.. Newton Brown & heirs of Manasseh Brown. There is no documented record in Ipswich Vital Records of a birth of a William to a John Brown. The proof of birth is the record in the book mentioned in
Source 4. There is no death record in Ipswich Deaths for William Brown or Dorthy Giddings Brown; Perhaps this family removed to Luenburg or Leominster Mass. with the Thomas & Martha Brown family who were warned out of Leominster 11 May 1762.
Source 5: IGI File: The marriage is an extracted record for Ipswich, Essex, Massachusetts: Williams surname is spelled Browne;