| | Marcelinus Remigus Siau 1877–1957 Maria Celina Van Leuven 1880–1966 | | | | Constantinus Siau 1818–1880 Rosalie Van Der Meulen 1816–1865 | | | | Petrus Joannes Siau 1772– | | | | Joanna Petronella Nijs 1742–1810 | | |
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| | | Alexius Van Der Meulen 1786–1871 Victoria De Backer 1778–1868 | | | | Joannes Van Der Meulen 1738–1809 Joanna Theresia De Backer –1792 | | |
| | | Franciscus De Backer –1786 Joanna Catharina Van Nuffel 1734–1794 | | |
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| | | Carolus Ludovicus Van Leuven 1853–1930 Maria Emerantia Van der Putten 1855–1934 | | | | Cornelis Van Leuven 1825– |
| | | Paulus Van der Putten 1819–1871 Rosalia Huylebroeck 1820–1868 | | | | Rijnerius Van de putte 1773–1853 Cecilia Kielemans 1784–1857 | | |
| | | Francis Huylebroeck –1845 |
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