Gezin: Bert VAN STEIJN / Joos VAN HEEMSKERCK DÜKER (F1484)
Jan VAN HEEMSKERCK DÜKER (1915-1976) 
|
Jeanne HELSLOOT (1913-1998) |
| Arie VAN HEEMSKERCK DÜKER ( -2012) |
| Elisabeth VAN HEEMSKERCK DÜKER (1933-2012) |
| N.N. VAN HEEMSKERCK DÜKER (1945-1945) |
| Jan VAN HEEMSKERCK DÜKER (1915-1976)
|
| Jeanne HELSLOOT (1913-1998) |
| Arie VAN HEEMSKERCK DÜKER ( -2012) |
| Elisabeth VAN HEEMSKERCK DÜKER (1933-2012) |
| N.N. VAN HEEMSKERCK DÜKER (1945-1945) |