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Father: Gerrit van Wijk
Born:
Marr:
Died:
Mother: Johanna Timmermans
Born:
Died:
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Father: Marinus Treffers
Born: 1818, Netherlands
Marr: 1849
Died: 1905, Netherlands
Mother: Maaike Bouman
Born: 1827, Netherlands
Died: 1901, Netherlands
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 | Willem Albertus van Wijk 
Born: 19 Feb 1836 - Roosendaal, Noord Brabant, Netherlands
Marr: 25 Jun 1875 - Drongelen, Noord Brabant, Netherlands
Died: -
Other Spouses:
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 | Pieternella Cornelia Treffers 
Born: 13 May 1851 - Drongelen, Noord Brabant, Netherlands
Died: -
Other Spouses:
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 | 1. Wilhelmina Treffers  Born: 18 Nov 1873 - Drongelen, Noord Brabant, Netherlands Marr: - Died: - |  | 2. Johanna Gerdina van Wijk  Born: 4 Mar 1876 - Drongelen, Noord Brabant, Netherlands Marr: - Died: 31 Oct 1877 - Eethen, Noord Brabant, Netherlands |  |
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 | 3. Johanna Gerdina van Wijk  Born: 8 Mar 1878 - Eethen, Noord Brabant, Netherlands Marr: - Died: - |  | 4. Marinus Gerrit van Wijk  Born: 20 Feb 1879 - Eethen, Noord Brabant, Netherlands Marr: - Died: - |  |
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 | 5. Maaijke van Wijk  Born: 24 Jan 1880 - Eethen, Noord Brabant, Netherlands Marr: - Died: 19 Sep 1880 - Eethen, Noord Brabant, Netherlands |  | 6. Maaike van Wijk  Born: 14 Feb 1881 - Eethen, Noord Brabant, Netherlands Marr: - Died: - |  |
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 | 7. Pieter Cornelis van Wijk  Born: 1 Jan 1884 - Eethen, Noord Brabant, Netherlands Marr: - Died: - |  | 8. Cornelia Petronella van Wijk  Born: 26 Dec 1887 - Leiden, Zuid Holland, Netherlands Marr: - Died: - |  |
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 | 9. Willem Johannes van Wijk  Born: 3 Sep 1895 - Leiden, Zuid Holland, Netherlands Marr: 1915 - Cornelia Hendrika Buitelaar (other spouses) Died: 25 Jul 1938 - Rotterdam, Zuid Holland, Netherlands |  |
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