Individual Details
Living
( - )
Families
| Spouse | Living |
| Child | Living |
| Spouse | Living |
| Child | Living |
| Father | Arthur B. Koch (1887 - 1964) |
| Mother | Margie Ella Ritchie (1895 - 1990) |
| Sibling | Living |
( - )
| Spouse | Living |
| Child | Living |
| Spouse | Living |
| Child | Living |
| Father | Arthur B. Koch (1887 - 1964) |
| Mother | Margie Ella Ritchie (1895 - 1990) |
| Sibling | Living |