Hendricus Maria Johannes Schipper
& Clazina Johanna Verhage | ||
| | ||
| | | | |
Cornelis Johannes Schipper
& M.J. Lutterman |
Martinus Hendricus Schipper
& E.C.A. Meijer |
|
| | | | |
Frank Schipper | Rudolf Martinus Schipper |