John Sybrand Koopal
1929 - 1999 (69 jaar)
Opm.: Scroll eventueel naar beneden of naar rechts om alles te kunnen zien.
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| John Sybrand Koopal 1929-1999 |
| John Sybrand Koopal | |
| G: | 25 feb 1929 |
| South-Dakota, Amerika | |
| O: | 3 jan 1999 |
| South-Dakota, Amerika | |
 | Gloria Ann Steckley 1935-2019 |
| 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 | |