Petrus Johannes Borsboom (1875-1937) 
|
Clasina Wilhelmina Blom (1880-1951) |
| Wilhelmina Clasina Borsboom (1905- ) |
Clazina Christina Borsboom (1907-1950)  |
| Christiaan Johannes Borsboom (1912- ) |
| Elisabeth Borsboom (1914- ) |
| Hendrikus Franciscus Borsboom (1910- )
|
| Elizabeth Bernhardine Johanna van Dillen (1910-1968) |
| Ferdinandus Theodorus Christianus Borsboom (1949-2013) |
