^^

Clazina Johanna Verhage
& Hendricus Maria Johannes Schipper
|
| |
Clazina Elizabeth Schipper   Hendrikus Johannes Schipper
| |
Ronaldus Petrus Antonius Sewalt   Petrus Theodorus Schipper
  |
    Ian Melvin Schipper
& Maaike Kleijn