Henry Adams III was born 17 November 1657 in Medfield, Norfolk County, Massachusetts to Henry Adams (1609-1676) and Elizabeth Paine (1620-1676) and died 29 September 1733 Medfield, Norfolk County, Massachusetts of unspecified causes. He married Prudence Frary (1662-1750) 19 December 1679 in Medfield, Norfolk County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Prudence Adams (1683-1772) | |||
| Hannah Adams (1685-1775) | |||
| Thomas Adams (1688-1763) | 21 May 1688 Medfield, Norfolk County, Massachusetts | 1763 | Mary Ellis (1691-1778) |
| Jeremiah Adams (1691-1772) | |||
| Elizabeth Adams (1694-1766) | |||
| Henry Adams (1702-1782) | |||
Siblings
| Name | Birth | Death | Joined with |
| Eleazer Adams (1644-1710) | |||
| Jasper Adams (1647-1742) | |||
| Elizabeth Adams (1649-1727) | |||
| Henry Adams (1652-1653) | |||
| John Adams (1652-1728) | |||
| Moses Adams (1654-1724) | 26 October 1654 Medfield, Suffolk County, Massachusetts | 27 May 1724 Sherborn, Middlesex County, Massachusetts | Marie Fairbanks (1659-1681) Lydia Whitney (1657-1719) |
| Henry Adams (1657-1733) | 17 November 1657 Medfield, Norfolk County, Massachusetts | 29 September 1733 Medfield, Norfolk County, Massachusetts | Prudence Frary (1662-1750) |
| Samuel Adams (1661-1682) | |||