He is married to Hedwig Henriëtte Curie de L'Esperance.
They got married on February 6, 1697, he was 36 years old.Source 1
Child(ren):
The couple were divorced on March 1, 1701.Source 2
Bron: http://gw3.geneanet.org/pierfit?lang=de;p=jean+louis;n=de+sandersleben
en: http://books.google.nl/books?id=f19LAAAAcAAJ&pg=PA35&lpg=PA35&dq=johann+ludwig+sandersleben+curie&source=bl&ots=jz1QyN0WUB&sig=2Z3wiqlW6jFJerZYKIeZgGOgHhw&hl=nl&sa=X&ei=pseTT8P1KY-g-Aav0byxBA&ved=0CEkQ6AEwBw#v=onepage&q=johann%20ludwig%20sandersleben%20curie&f=false