In 1763 Ezra Stiles, who became the president of Yale, transcribed a memorial stone erected by Samuel Hubbard, which was remarkable for the amount of information it conveyed. Unfortunately the stone was destroyed around 1765, so this transcription is all that remains. The stone, dated ca September, 1688, recorded the grandchildren of Samuel and Tacy Hubbard by each of their three daughters:
All three of Samuel Hubbard's sons-in-law were among the party which agreed to purchase land in Westerly in 1661. Only Robert Burdick and John Clarke actually moved there - Andrew Langworthy sold his Westerly land to William Reape before 1670. Andrew and his family stayed in Newport and the land records of early Newport show that Andrew and Rachel owned land adjacent to the Hubbards.
When King Philip's war broke out, many of the Westerly settlers went back to Newport for protection. Here are excepts from two of Samuel Hubbard's letters:
From these letters we learn that Samuel Hubbard had 15 living grandchildren on November 1, 1675. The Burdicks had eight, the Clarkes had three, so Andrew and Rachel must have had four living children at the time.
So summarizing the above argument: