He is married to Felicia Pauline Maria van la Rochefoucauld.
They got married on April 29, 1846 at Parijs, he was 32 years old.
Child(ren):
Bron: http://genealogics.org/getperson.php?personID=I00015646&tree=LEO
en: https://gw.geneanet.org/cepatri?lang=en&pz=franz+joseph&nz=von+habsburg+lothringen&ocz=0&p=louis+charles&n=de+greffulhe
The data shown has no sources.