
![]() | John Sybrand Koopal |
| John Sybrand Koopal | |
| G: | 25 feb 1929 |
| South-Dakota, Amerika | |
| O: | 3 jan 1999 |
| South-Dakota, Amerika | |
![]() | Gloria Ann Steckley |
| Gloria Ann Steckley | |
| G: | 18 dec 1935 |
| Geddes, South-Dakota, Amerika | |
| H: | 8 jun 1954 |
| O: | 22 feb 2019 |
| Parkston, Hutchinson County, South Dakota, Amerika | |
![]() | Anna Koopal |
| Anna Koopal | |
| G: | 24 sep 1931 |
| South-Dakota, Amerika | |
| O: | 1 mrt 2018 |
| South-Dakota, Amerika | |
| Eugene L. VanderHeiden | |
| H: | 1 jun 1951 |
| Charles Mix, South Dakota, Amerika | |
![]() | Lorna Lou Wesseling |
| Lorna Lou Wesseling | |
| G: | 5 jul 1958 |
| Platte, Charles Mix, South Dakota, Amerika | |
| O: | 18 nov 2012 |
| Lincoln, Lancaster County, Nebraska, Amerika | |
![]() | Berniece Grace Koopal |
| Berniece Grace Koopal | |
| G: | 27 dec 1935 |
| Charles Mix, South Dakota, Amerika | |
| O: | 13 dec 2009 |
| Mitchell, Davison, South Dakota, Amerika | |
| James H. Wesseling | |
| H: | 24 aug 1954 |
| Charles Mix, South Dakota, Amerika | |
![]() | Marten Koopal |
| Marten Koopal | |
| G: | 23 aug 1903 |
| Het Bildt | |
| H: | 12 apr 1928 |
| Charles Mix, South Dakota, Amerika | |
| O: | 25 mrt 1970 |
| Platte, Charles Mix, South Dakota, Amerika | |