Individual Details
Living
( - )
Families
| Spouse | Living |
| Child | Living |
| Child | Living |
| Father | Robert Joe GRETHEN (1919 - 1999) |
| Mother | Ruth Alice BERKLAND (1921 - 1999) |
| Sibling | Delon Ray GRETHEN (1949 - 1995) |
| Sibling | Judy GRETHEN (1954 - 1954) |
| Sibling | Jane GRETHEN (1954 - 1954) |
| Sibling | Ricky Allan GRETHEN (1962 - 1962) |