Sugulus (2 sugulussuhet)
Cornelis Johannes Schipper on
Johannes Arnoldus Everardus Sewalt onu.
-
Muidugi,
-
Hendricus Maria Johannes Schipper
(1 sugulussuhe)
-
Clazina Johanna Verhage
(1 sugulussuhe)
on samal ajal
-
Johannes Arnoldus Everardus Sewalt vanavanemad
-
Cornelis Johannes Schipper vanemad