
![]() | John Henry Schaper |
| John Henry Schaper | |
| G: | 2 aug 1925 |
| Chicago, Cook County, Illinois, USA | |
| O: | 6 mrt 2009 |
![]() | Wilhelmine Rose |
| Wilhelmine Rose | |
| G: | 12 feb 1931 |
| O: | 11 sep 2024 |
| Illinois, USA | |
|
![]() | Johan Hendrik Schaper |
| Johan Hendrik Schaper | |
| G: | 18 dec 1899 |
| Groningen | |
| O: | 21 jan 1938 |
| Chicago, Cook County, Illinois, USA | |
![]() | Hanna Mueller |
| Hanna Mueller | |
| G: | 3 mei 1904 |
| Duitsland | |
| H: | 18 dec 1924 |
| Chicago, Cook County, Illinois, USA | |
| O: | mei 1969 |