Individual Details
Living
( - )
Families
| Father | Herbert Ervin Johann Petrich (1909 - 1992) |
| Mother | Edna Richardson (1914 - 1989) |
| Sibling | Robert David Petrich (1934 - 2008) |
| Sibling | Living |
( - )
| Father | Herbert Ervin Johann Petrich (1909 - 1992) |
| Mother | Edna Richardson (1914 - 1989) |
| Sibling | Robert David Petrich (1934 - 2008) |
| Sibling | Living |