Individual Details
Living
( - )
Families
| Father | Johann Hinrich Oltman "John" Siebels (1884 - 1947) |
| Mother | Johanna C. S. "Hanna" Schaefer (1881 - 1913) |
( - )
| Father | Johann Hinrich Oltman "John" Siebels (1884 - 1947) |
| Mother | Johanna C. S. "Hanna" Schaefer (1881 - 1913) |