Genealogie familie Willemsen
Genealogie van o.a. de Familie Willemsen, Dicks, van Londen, Holkamp, versijp
Gezin: Theodorus Jansen / Johanna Cornelia Hendriks (F1713212473)
getr. 3 nov 1927 | Jan Willem Jansen (1846-1908) 
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 | Berendina van Londen (1856- )
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| Berendina Jansen (1878- ) |
| Hendrikus Jansen (1880- )  |
| Wilhelmina Catharina Jansen (1882-1960) |
| Jan Willem Jansen (1885-1947) |
| Theodorus Osewaldus Jansen (1887-1888) |
| Theodora Jansen (1889-1890) |
| Berendina Petronella Jansen (1891-1959) |
| Hermanus Jansen (1896-1898) |
| Engelbertus Jansen (1898- ) |
| Theodorus Jansen (1894- )
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| Johanna Cornelia Hendriks (1904- )
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