Genealogie familie Willemsen
Genealogie van o.a. de Familie Willemsen, Dicks, van Londen, Holkamp, versijp
Gezin: Johannes Helder / Clasina Johanna Schoonheim (F1713212639)
 | Wilhelm Johannes Albert Schoonheim (1874-1950) 
|
 | Christina Willemse (1875-1949)
|
| Schoonheim ( -1894) |
| Johannes Wilhelmus Schoonheim (1895-1958)  |
| Wilhelm Johannes Albert Schoonheim (1897-1935) |
| Hendrikus Albertus Schoonheim (1900- ) |
| Christiaan Wilhelmus Schoonheim (1902- ) |
| Anton Ferdinand Schoonheim (1903-1904) |
| Jan Schoonheim (1903-1913) |
| Antoon Ferdinand Schoonheim (1907-1907) |
| Hendrika Wilhelmina Schoonheim (1908- ) |
| Maria Schoonheim (1909-1909) |
| Antoon Ferdinand Schoonheim (1910- ) |
| Jan Schoonheim (1912-1913) |
| Antje Schoonheim (1914- ) |
| Geertruida Johanna Cornelia Schoonheim (1915-1915) |
| Clasina Johanna Schoonheim (1905-1952)
|
