Came to Newport before 1650, as he met and married Mary around 1647. It is not known if he lived at Portsmouth, though he did hold land there. On Oct. 31, 1677, Clement and (most likely) his son John were on the list of 50 original grantees of E. Greenwich. The grant consisted of 50 100-acre parcels to be laid out "near the sea." Clement's portion was laid out in 1680. He was sued by Benedict Arnold for trespass in 1681. He served on a jury several times in 1680, 1681 and 1683, the last mention of him being Sept. 4, 1683 when he was on a grand jury.

His will is not extant, and was likely destroyed by the British during the Revolutionary War. However, it was listed in a court proceeding in 1700 dealing with the problem of it only having two witnesses rather than three. [779]

Family: When Mary, she and her parents, William Freeborn and Mary, came to Boston aboard the “Francis.” They sailed from Ipswich, England, having lived at Witham, co. Essex, England, where William Freeborn owned the manor of Batisford, with mansion house "of great antiquity." He sold the Essex property 20 December 1633 and, on 30 April 1634, at the age of 40, settled at Roxbury, Massachusetts, with his wife Mary, and children: Mary and Sarah, age 2. They had been married about the year 1625, and he died at Portsmouth 28 April 1670, five days before his wife, arrd five days after his daughter Sarah. William Freeborn and others, "because the opinions and revelations of Mr. Wheelwright and Mrs. Hutchinson have seduced and led into dangerous errors many of the people of New England," were by sentence of the Court on 9 mo. 20th, 1637, ordered to deliver up all fire arms and by act of Assembly of 12 March 1638 were for their convictions excluded and driven out of Massachusetts.

On 7 March 1638, William Freeborn with other planters, among them Clement Weaver, original purchasers of Rhode Island, Signed, the compact which marks the foundation of the Colony at Portsmouth, R. I.: "We whose names are underwritten do hereby solemnly in the presence of Jehovah, incorporate ourselves into a Bodie Politick and as He shall help, will submit our persons, lives and estates unto our Lord Jesus Christ, the King of Kings and Lord of Lords and to all those perfect and most absolute laws of His, given us in His holy word of truth, to be guided and judged thereby."

On 1 December 1641, Jeremy Clarke and William Freeborn were members of the Grand jury in Portsmouth, and in 1642 William Freeborn was Constable. On 10 December 1649 he received a grant of 140 acres in Portsmouth conditioned only that he must build a house within a year. On 19 May 1657 he was elected a member of the General Court of Commissioners and the same year was a member of the Rhode Island Assembly. The Freeborns were members of the Society of Friends.
(http://pages.prodigy.net/reed_wurts/heraldry/weaver.htm)