He is married to Catharina von Heessen.
They got married.
Child(ren):
Geschichte der Kölnischen, Jülichschen und Bergischen Geschlechter in Stammtafeln, Wappen, Siegeln und Urkunden
by Anton Fahne
Publication date 1853
P. 57
https://archive.org/details/bub_gb_4NVDAAAAcAAJ/page/n70/mode/1up
===========
Wennemar von Heiden | |||||||||||||||||||||||||||||||||||||
Catharina von Heessen |
The data shown has no sources.