John Lewis III was born 30 November 1669 in Gloucester County, Virginia, USA to John Lewis (1633-1689) and Elizabeth Miller (1640-1703) and died 14 November 1725 Gloucester County, Virginia, USA of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| Mildred Lewis (1691-1732) | 1691 New Kent County, Virginia, USA | 17 October 1732 Fredericksburg, Spotsylvania County, Virginia, USA | Henry Willis (1691-1740) |
Siblings
| Name | Birth | Death | Joined with |
| John Lewis (1669-1725) | 30 November 1669 Gloucester County, Virginia, USA | 14 November 1725 Gloucester County, Virginia, USA | Elizabeth Warner (1672-1720) |