| The Genealogy Page of Jorge Heredia and Heleen Sittig | ||
| Klaartje van Leeuwen30 Jul 1879 - 19 Feb 1943
 Mother: Leentje Nathan Family 1 : Alexander Kloot 
 
                                                  _Moses Jacob van Leeuwen _
                                                 |                          
                       _Jacob Moses van Leeuwen _|
                      | (1806 - ....) m 1839     |
                      |                          |_Mirjam Machiel Abrahams _
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 _Moses van Leeuwen __|
| (1842 - ....) m 1862|
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|                     |_Rachel Koffij ___________|
|                       (1799 - ....) m 1839     |
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|--Klaartje van Leeuwen 
|  (1879 - 1943)
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|_Leentje Nathan _____|
  (1844 - ....) m 1862|
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