Richard Knowles was born 28 July 1688 in Eastham, Barnstable County, Massachusetts to Samuel Knowles (1651-1737) and Mercy Freeman (1659-1744) and died circa 1769 Chatham, Barnstable County, Massachusetts of unspecified causes. He married Martha Cobb (1682-1763) 1713 in Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Richard Knowles (1715-1736) | |||
| Mercy Knowles (1717-1758) | 4 August 1717 Chatham, Barnstable County, Massachusetts | 14 May 1758 Chatham, Barnstable County, Massachusetts | George Godfrey (1707-1768) |
| James Knowles (1719-1781) | |||
| Cornelius Knowles (1722-1794) | |||
| Rebakah Knowels (1723-1784) | |||
Siblings
| Name | Birth | Death | Joined with |
| James Knowles (1680-1704) | |||
| Samuel Knowles (1683-1750) | |||
| Nathaniel Knowles (1686-1732) | |||
| Richard Knowles (1688-1769) | 28 July 1688 Eastham, Barnstable County, Massachusetts | 1769 Chatham, Barnstable County, Massachusetts | Martha Cobb (1682-1763) |
| Rebecca Knowles (1690-1754) | |||
| John Knowles (1692-1754) | |||
| Ruth Knowles (1694-1745) | |||
| Cornelius Knowles (1695-1764) | |||
| Amos Knowles (1702-1786) | |||
| James Knowles (1705-1765) | |||