He is married to Emilia van Zuijlen van Nijevelt.
They got married on August 20, 1626.
Child(ren):
Geschichte der Kölnischen, Jülichschen und Bergischen Geschlechter in Stammtafeln, Wappen, Siegeln und Urkunden
by Anton Fahne
Publication date 1853
p. 126
https://archive.org/details/bub_gb_4NVDAAAAcAAJ/page/n139/mode/1up
===========
Alexander van der Capellen | |||||||||||||||||||||||||||||||||||||
1626 | |||||||||||||||||||||||||||||||||||||
Emilia van Zuijlen van Nijevelt |
The data shown has no sources.