Study: Conjoined Third Cousins Produce More Kids, Grandkids
Want lots of nippers and grandchildrens? Try getting married your third or fourth first cousin, according to a new study.
Betwixt 1800 and 1824, Icelandic third german couples had got on average 4.04 minors and 9.17 grandchildrens, compared with 3.34 and 7.31 for couples composed of eighth or high cousins, the survey found.