Genealogie familie Willemsen
Genealogie van o.a. de Familie Willemsen, Dicks, van Londen, Holkamp, versijp
Gezin: Wilhelmus Holkamp / Theodora Petronella Splithof (F1388105436)
getr. 2 jul 1936 | Marianus Bernardus Holkamp (1878- ) 
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 | Everdina Theodora Janssen (1884- )
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| Theodora Maria Holkamp (1905-1957)  |
| Maria Holkamp (1906-1906) |
| Albertus Hendrikus Holkamp (1907-1907) |
 | Albertus Hendrikus Holkamp (1908-1954) |
| Wilhelmus Holkamp (1909-1909) |
| Maria Holkamp (1911-1912) |
| Wilhelmus Holkamp (1913-1914) |
| Everdina Theodora Holkamp (1921-1922) |
| Catharina Holkamp (1921-1922) |
 | Karoles Splithof (1876-1952)
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 | Hendrina Bosveld (1881-1956)
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 | Petronella Elisabeth Splithof (1910-1912) |
 | Bernhardina Katharina Splithof (1911-2002) |
| Engelbertus Splithof (1918-1984) |
 | Wilhelmus Holkamp (1915-1997)
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| Theodora Petronella Splithof (1916-1999)
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