John Wentworth II was born 19 October 1703 in Portsmouth, Rockingham County, New Hampshire to John Wentworth (1671-1730) and Sarah Hunking (c1673-1741) and died 1773 Portsmouth, Rockingham County, New Hampshire of unspecified causes. He married Sarah Hall (1711-1790) 19 March 1719 .
Children
| Name | Birth | Death | Joined with |
| Hall Wentworth (1738-1774) | |||
| Mary Wentworth (1740-1810) | 1740 Portsmouth, Rockingham County, New Hampshire, United States | 1810 Woodstock, Windsor County, Vermont, United States | Samuel Appleton (1726-1769) John Chapman (1736-) |
| Sarah Wentworth (1741-1789) | |||
| Rebecca Wentworth (1742-) | |||
| Hannah Wentworth (1744-) | |||
| Abigail Wentworth (1745-) | |||
| Rebecca Wentworth (1746-) | |||
| Hannah Wentworth (1749-) | |||
Siblings
| Name | Birth | Death | Joined with |
| Benning Wentworth (1696-1770) | 24 July 1696 Portsmouth, Rockingham County, New Hampshire, United States | 14 October 1770 Portsmouth, Rockingham County, New Hampshire, United States | Abigail Ruck (c1699-1755) Martha Hilton (c1737-1805) |
| Hunking Wentworth (1697-1784) | |||
| Hannah Wentworth (1700-1769) | |||
| Sarah Wentworth (1702-1776) | |||
| John Wentworth (1703-1773) | 19 October 1703 Portsmouth, Rockingham County, New Hampshire | 1773 Portsmouth, Rockingham County, New Hampshire | Sarah Hall (1711-1790) |
| William Wentworth (1705-1767) | |||
| Mary Wentworth (1707-c1774) | |||
| Samuel Wentworth (1708-1766) | 15 January 1708 | 16 December 1766 | Elizabeth Deering (1715-1785) |
| Mark Hunking Wentworth (1709-1785) | |||
| Elizabeth Wentworth (1711-1790) | |||
| Rebecca Wentworth (1712-1738) | |||
| Ebenezer Wentworth (1714-1757) | |||
| Daniel Wentworth (1716-1747) | |||
| George Wentworth (1719-1741) | |||