She is married to Karel Frans Joseph Graaf Villain XIIII Heer van Welle.
They got married on July 15, 1738 at Gent, Vlaanderen, she was 27 years old.
Child(ren):
Bron: https://gw.geneanet.org/cdebehault?lang=en&pz=gregory+charles+bruno+ghislain+marie+joseph&nz=de+behault&ocz=0&p=isabelle+marie+therese&n=du+bois+de+schoondorp
en: https://gw.geneanet.org/vincentbd?n=du+bois+de+schoondorp&oc=&p=isabelle+marie+therese
The data shown has no sources.