Gezin: Jan VAN HEEMSKERCK DÜKER / Jeanne HELSLOOT (F15)
getr. 20 sep 1944Dr. Jan Herman VAN HEEMSKERCK DÜKER (1885-1957) 
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Alida Jozina PLANTENGA (1889-1957)
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| Jan Herman VAN HEEMSKERCK DÜKER (1913-1923) |
Petronella VAN HEEMSKERCK DÜKER (1919-2009)  |
| Alida Josina VAN HEEMSKERCK DÜKER (1921-1987) |
| Willem Frederik VAN HEEMSKERCK DÜKER (1928-2010) |
| Jeanne HELSLOOT (1913-1998) |
| Jan VAN HEEMSKERCK DÜKER (1915-1976)
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| Arie VAN HEEMSKERCK DÜKER ( -2012) |
| Elisabeth VAN HEEMSKERCK DÜKER (1933-2012) |
| N.N. VAN HEEMSKERCK DÜKER (1945-1945) |