| Father | Herman Bernard ISFERDING (1870 - 1955) |
| Mother | Clara Mary KETTERHAGEN (1875 - 1955) |
| Sibling | Lawrence B ISPERDING (1895 - 1961) |
| Sibling | Elmer ISFERDING (1898 - 1979) |
| Sibling | Edward ISPERDING (1901 - 1929) |
| Sibling | Franie ISFERDING |
| Sibling | Veronica ISPERDING |
| Sibling | Leo Francis ISFERDING (1905 - 1978) |
| Sibling | Irving Joseph ISFERDING (1908 - 1935) |
| Sibling | Mollie Annie ISFERDING (1908 - 1961) |
| Sibling | Cecilia Olive ISFERDING (1910 - 1919) |
| Sibling | Carl John ISFERDING (1910 - 1940) |
| Sibling | Frances A ISFERDING (1912 - 2003) |
| Sibling | Florence Clara ISFERDING (1914 - 1950) |