Individual Details
Living
( - )
Families
| Father | James Edward Henry "Jim" GRETHEN (1909 - 2001) |
| Mother | Julia Christine VONDERHARR (1918 - 2007) |
| Sibling | Living |
| Sibling | James Charles GRETHEN (1961 - 1961) |
( - )
| Father | James Edward Henry "Jim" GRETHEN (1909 - 2001) |
| Mother | Julia Christine VONDERHARR (1918 - 2007) |
| Sibling | Living |
| Sibling | James Charles GRETHEN (1961 - 1961) |