John Forbes was born 25 March 1668 in East Hartford, Connecticut, United States to James Forbes (1620-1692) and Catherine Fothergill (1623-1693) and died 4 May 1713 East Hartford, Connecticut, United States of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| John Forbes (1695-1759) | 8 December 1695 Hartford, Connecticut, United States | 11 April 1759 New Haven, Connecticut, United States | Abigail Westover (1702-1755) |
Siblings
| Name | Birth | Death | Joined with |
| John Forbes (1668-1713) | 25 March 1668 East Hartford, Connecticut, United States | 4 May 1713 East Hartford, Connecticut, United States | Mary Griffin (1675-1738) |