Walter Hellen was born circa 1769 in Haverhill, Essex County, Massachusetts and died circa 1818 of unspecified causes. He married Nancy Johnson (1773-1810) 18 October 1798 in Montgomery, Maryland.
Children
| Name | Birth | Death | Joined with |
| Mary Catherine Hellen (1806-1870) | 10 September 1806 Washington, D.C., United States | 31 August 1870 Quincy, Norfolk County, Massachusetts, United States | John Adams (1803-1834) |
| Johnson Hellen (1807-1867) | |||
| Thomas Hellen (1809-1833) | |||
Siblings