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Preston Williams was born circa 1684 in Haverhill, Essex County, Massachusetts, United States to Joseph Williams (1647-1720) and Mary Fuller (c1644-1720) and died 1741 of unspecified causes.
Siblings
| Name | Birth | Death | Joined with |
| Sarah Williams (1675-1702) | 17 November 1675 Haverhill, Essex County, Massachusetts, United States | 10 September 1702 Norwich, New London County, Connecticut, United States | John Roath (1669-1743) |
| Mary Williams (1677-) | 29 November 1677 Haverhill, Essex County, Massachusetts, United States | ||
| John Williams (1680-1741) | 17 February 1680 Haverhill, Essex County, Massachusetts, United States | 11 January 1741 Poquetanuck, New London County, Connecticut, United States | Mary Knowlton (1681-1749) |
| Hannah Williams (1682-1781) | 30 September 1682 Haverhill, Essex County, Massachusetts, United States | 1781 | |
| Preston Williams (c1684-1741) | 1684 Haverhill, Essex County, Massachusetts, United States | 1741 | |