John Benjamin, Jr. was born 11 September 1620 in Cranbrook, Kent, England to John Benjamin (1585-1645) and Abigail Eddy (c1601-1687) and died 22 December 1706 Watertown, Middlesex County, Massachusetts of unspecified causes. He married Lydia Allen (1624-1709) 1650 in Watertown, Middlesex County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| John Benjamin (1651-1708) | |||
| Lydia Benjamin (1653-1692) | |||
| Abigail Benjamin (1655-1686) | |||
| Mary Benjamin (1658-) | |||
| Daniel Benjamin (1660-1719) | |||
| Ann Benjamin (1662-) | |||
| Sarah Benjamin (1663-1745) | 3 April 1663 Watertown, Middlesex County, Massachusetts | 22 October 1745 Waltham, Middlesex County, Massachusetts | William Hagar (1659-) |
| Abel Benjamin (1668-1720) | |||
Siblings
| Name | Birth | Death | Joined with |
| John Benjamin (1620-1706) | 11 September 1620 Cranbrook, Kent, England | 22 December 1706 Watertown, Middlesex County, Massachusetts | Lydia Allen (1624-1709) |
| Isabell Benjamin (1623-1671) | |||
| Abigail Benjamin (1624-1704) | |||
| Mary Benjamin (1626-1646) | |||
| Samuel Benjamin (1628-1669) | |||
| Mary Benjamin (1630-1646) | |||
| Joseph Benjamin (1633-1704) | 16 September 1633 Cambridge, Middlesex County, Massachusetts, United States | April 1704 Preston, New London County, Connecticut, United States | Jemima Lumbert (1636-?) Sarah Clark (1639-1716) |
| Joshua Benjamin (1642-1684) | |||
| Caleb Benjamin (1643-1684) | |||
| Abel Benjamin (1645-1719) | |||
| Mary Benjamin (1646-1646) | |||