why silla (korea) might be important: they went from fbd to mbd marriage. did their society become less clannish? http://hbdchick.wordpress.com/2014/06/07/random-notes-060714/#comment-85616 …
@pseudoerasmus hmmm. could be that fbd in silla was something that only/mostly the elites did: http://books.google.com/books?id=u1bwQj7qdsYC&pg=PA323&dq=Silla+cousin+marriage&hl=no&sa=X&ei=FeGUU8XlEcqAywOvqYFo&ved=0CD4Q6AEwAg#v=onepage&q=Silla%20cousin%20marriage&f=false … further research req!