Individual Details
Living
( - )
Families
| Father | Jack Leon Cowan (1932 - 1989) |
| Mother | Doris Ann Sigmon (1932 - 2003) |
| Sibling | Ross Eric Cowan (1960 - 1998) |
| Sibling | Living |
( - )
| Father | Jack Leon Cowan (1932 - 1989) |
| Mother | Doris Ann Sigmon (1932 - 2003) |
| Sibling | Ross Eric Cowan (1960 - 1998) |
| Sibling | Living |