Individual Details
Living
( - )
Families
| Father | John Henry Oltmanns Jr (1895 - 1980) |
| Mother | Taale Margaretha "Meta" Hinrichs (1891 - 1946) |
| Sibling | Living |
| Sibling | Albert H Oltmanns (1920 - 2007) |
| Sibling | Emil E Oltmanns (1925 - 1997) |
( - )
| Father | John Henry Oltmanns Jr (1895 - 1980) |
| Mother | Taale Margaretha "Meta" Hinrichs (1891 - 1946) |
| Sibling | Living |
| Sibling | Albert H Oltmanns (1920 - 2007) |
| Sibling | Emil E Oltmanns (1925 - 1997) |