He is married to Wilhelmina Sijmensen van Son.
Permission for the marriage has been obtained in Nieuwkuijk, NB, NL on January 21, 1730.
They got married on February 8, 1730 at Nieuwkuijk, NB, NL.Nieuwkuijk dtb-t.1730, 8 februarij; Joannis Jois van Loon , & Wilhelman Simonis van Son coram mr fr:L: Rigoudts, testibus maria van der herien ,st Petronilla van turnhout
kinderen:
Petronella Jansen van Loon 1731-< 1803
Joannes van Loon 1734-< 1734
The data shown has no sources.