Individual Details
Living
( - )
Families
| Spouse | Living |
| Child | Living |
| Child | Living |
| Child | Living |
| Father | Harold Francis Knowles (1904 - 1942) |
| Mother | Thelma Armetta Greer (1909 - 1989) |
| Sibling | Living |
| Sibling | Judge John William Knowles (1931 - 2011) |
| Sibling | Carolyn Knowles (1939 - 2008) |