Individual Details
Living
( - )
Families
| Father | Richard Leo GRETHEN (1925 - 1977) |
| Mother | Helen Eileen MANSAGER (1928 - 2022) |
| Sibling | Living |
| Sibling | Living |
( - )
| Father | Richard Leo GRETHEN (1925 - 1977) |
| Mother | Helen Eileen MANSAGER (1928 - 2022) |
| Sibling | Living |
| Sibling | Living |