Individual Details
Living
( - )
Families
| Father | Robert Frederick Seifert (1906 - 2001) |
| Mother | Rose Mary Nieter (1907 - 1977) |
| Sibling | Robert Raymond Seifert (1929 - 2017) |
| Sibling | Allen Leo Seifert (1931 - 2006) |
| Sibling | Living (1934 - ) |
( - )
| Father | Robert Frederick Seifert (1906 - 2001) |
| Mother | Rose Mary Nieter (1907 - 1977) |
| Sibling | Robert Raymond Seifert (1929 - 2017) |
| Sibling | Allen Leo Seifert (1931 - 2006) |
| Sibling | Living (1934 - ) |