Individual Details
Living
( - )
Families
| Spouse | Living |
| Child | Living |
| Child | Living |
| Child | Living |
| Father | Charles Jacob Koelzer (1887 - 1943) |
| Mother | Margaret Elizabeth Delany (1893 - 1950) |
| Sibling | Living |
| Sibling | Living |
| Sibling | Living |
| Sibling | Living |
| Sibling | Elenora Koelzer (1929 - 1929) |
| Sibling | Living |