He is married to Charlotte van Gaugreben Vorstin van Lieven.
They got married on January 12, 1766 at Helliste, Lijfland, Estland, he was 39 years old.
Child(ren):
Bron: http://genealogics.org/getperson.php?personID=I00233208&tree=LEO
en: http://www.geni.com/people/Otto-Heinrich-Bar-von-Lieven/6000000018514998330
The data shown has no sources.