He is married to Maria Barbara Odilia Hellin d'Hangest.
They got married on June 24, 1690 at Gent, Vlaanderen, he was 40 years old.
Child(ren):
Bron: http://gw.geneanet.org/pierfit?lang=en&p=floris&n=de+vaernewyck
en: http://gw.geneanet.org/diesbach?n=de+vaernewyck&oc=&p=floris
en: http://gw.geneanet.org/nijhof?n=de+vaernewyck&oc=&p=floris+bonaventure
en: http://gw.geneanet.org/bengos?n=de+vaernewyck&oc=&p=floris+bonaventure
The data shown has no sources.