| Family Tree Collection | Main index A-Z | Total index | Names | Index places | The Northern data base - Classical version |
| Family page |
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Jacobus Albertus Cornelis Koolen born after 1905 - details excluded to: Marion van den Broeke, daughter of Hans Jacob van den Broeke and Maria van der Mije born after 1905 - details excluded |
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1) Stefan Koolen born after 1905 - details excluded |
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2) Martijn Jacob Koolen born after 1905 - details excluded |