so you have a somewhat unpopular view that the manx are all inbred?

I understand that the gene pool was relatively small some years ago, much like the human gene pool in ancient times, and I know that corletts married corletts (not necessarily closely related as it was the second most popular name on the island) and that cousins married each other.

I would have to argue about jewish bloodlines and point you to almost any royal family. Infact with their wondering like gipsies the jews have some of the most diluted bloodlines in human history.