Hendricus Maria Johannes Schipper & Clazina Johanna Verhage | ------------------------------- | | Arnold W. Clazina Elizabeth Hendrikus Johannes Schipper & Apolonia Sewalt (viņam) Schipper Joanna Maria van der Lubbe | | | ------------------- | | Petrus Theodorus Schipper & Jacqueline Françoise Kleiss | Ian Melvin Schipper (sosa_1)