Well, I’ll be darned. There actually is such a thing as a genetic congenital liar.
http://www.cs.wcupa.edu/epstein/congenital.htm
Now I understand political dynasties.
from the article:The discovery that congenital lying has a genetic basis, at least for some people, was considered momentous. It earned Barbara Tuxler of Stanford University the 2027 Nobel Prize in medicine. It also raised profound ethical and moral issues that are still being debated.