Heman Atwood was born 26 October 1738 in Eastham, Barnstable County, Massachusetts to Thomas Atwood (1696-1784) and Phoebe Mayo (1691-1783) and died 17 June 1804 Mansfield, Tolland County, Connecticut of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| Heman Atwood (1769-1841) | |||
| John Atwood (1772-1776) | |||
| Jerusha Atwood (1775-1776) | |||
| Eunice Atwood (1777-1825) | |||
| Elisha Atwood (1779-1844) | |||
| Ira Atwood (1782-1798) | |||
| Nancy Atwood (1784-1850) | |||
| Dan Atwood (1787-1863) | 4 November 1787 Mansfield, Tolland County, Connecticut, United States | 16 October 1875 Salt Lake City, Salt Lake County, Utah, United States | Polly Sawyer (1790-1875) |
| Lucy Atwood (1790-1841) | |||
Siblings
| Name | Birth | Death | Joined with |
| Heman Atwood (1738-1804) | 26 October 1738 Eastham, Barnstable County, Massachusetts | 17 June 1804 Mansfield, Tolland County, Connecticut | Jerusha Case (1747-1828) |