| Father | Male Dr. Michael Donald Underwood |
| Born | 2 Oct 1948 | Knoxville, Knox County, Tennessee |
| Died | ||
| Buried | ||
| Married | 27 Jun 1970 [1] | Knox County, Tennessee [1] |
| Father | Underwood | F69963 Group Sheet | |
| Mother | ||
| Mother | Female Linda Gail Clabo |
| Born | 17 Jan 1948 | Knoxville, Knox County, Tennessee |
| Died | ||
| Buried | ||
| Father | John Lee Clabo | F10035 Group Sheet | |
| Mother | Margaret Walker | F10035 Group Sheet | |
| Child 1 | Male Michael Clay Underwood |
| Born | 1976 | |
| Died | ||
| Buried | ||
| Spouse | April Elizabeth Cunningham | F115289 | |
| Married | 23 Apr 2005 | Knox County, Tennessee |