Individual Details
Living
( - )
Families
| Spouse | Living |
| Child | Living |
| Child | Living |
| Father | Louis Donald Underwood (1911 - 1966) |
| Father | Lewis Donald Underwood (1911 - 1966) |
| Mother | Charlotte Kathryn Greenwald ( - 2003) |
| Sibling | Robert Underwood ( - ) |
| Sibling | Karl Underwood ( - ) |
| Sibling | Living |