Genealogie familie Willemsen
Genealogie van o.a. de Familie Willemsen, Dicks, van Londen, Holkamp, versijp
Gezin: Theodor W. Derksen / Catharina Splithof (F1713212128)
 | Johannes Fredericus Splithof (1838-1918) 
|
 | Aleida Berendsen (1844-1891)
|
| Elisabeth Splithof (1871-1929)  |
| Egbertus Splithof (1874-1958) |
| Karoles Splithof (1876-1952) |
| Theodora Wilhelmina Splithof (1878- ) |
| Johannes Wilhelmus Splithof (1879-1935) |
| Johanna Maria Splithof (1880-1958) |
| Theodorus Wilhelmus Splithof (1881- ) |
| Wilhelmus Hubertus Splithof (1889-1918) |
| Catharina Splithof (1885- )
|