1J.H. Beers & Co., Representative Men and Old Families of Southeastern Massachusetts, Vol. 3, p. 1669 (1912).
Robert S. Wakefield, Mayflower Families Through Five Generations: Volume 18; Part 1: Richard Warren, p. 23 (1999)
"(I) Edward Gray, according to Historian Davis's "Ancient Landmarks of Plymouth, " was a native of England and came to Plymouth in 1643 with his brother Thomas. They were only boys, and family tradition says they were smuggled aboard the ship in which they made the voyage in order to get them out of the country, interested parties at home intriguing to get possession of certain property which rightly belonged to Edward and Thomas Gray.
. . .
In 1651 he married Mary Winslow, daughter of John and Mary (Chilton) Winslow and niece of Edward Winslow, the first governor of Plymouth Colony; she was a granddaughter of James Chilton, who came in the "Mayflower," 1620. Mr. Gray married for his second wife Dorothy Lettice, and he died in June 1681, aged fifty-two years. His children were as follows: Desire, born in 1651 (married Nathaniel Southworth); Mary, 1653; Elizabeth, 1658; Elizabeth, 1659; John--all born to the first union; Edward, 1667; Susan, 1668 (married John Cole); Rebecca (married Stephen Cole); and Lydia (married Caleb Loring)."
shows that Sarah also is a daughter here.