They didn't create a new civilization. The couple was born and raised in Russia. Their religion was a sort of Russian Orthodoxy. Whatever quirks they had, it's

They didn't create a new civilization. The couple was born and raised in Russia. Their religion was a sort of Russian Orthodoxy. Whatever quirks they had, it's pretty fair to assume that they had an incest taboo (as do practically all human societies). On the other hand, it's not obvious at all that resisting breaking that taboo would be as easy as not using modern technology. This was hinted in one of the book's reviews on Amazon: > A spectra haunted this group, as well as other remote old believers - incest! Peskov never can definitely state this is the reason why the two brothers established separate dwellings six kilometers from the main housing unit, but certainly it is high on the speculation list. http://www.amazon.com/review/R2TGXPO509YNC0/ref=cm_cr_dp_title?ie=UTF8&ASIN=0385472099&channel=detail-glance&nodeID=283155&store=books http://www.amazon.com/review/R2TGXPO509YNC0/ref=cm_cr_dp_tit...