Please stop using wikipedia to win arguments. My poor dead cat can edit wikipedia.
Use this.
http://www.burkespeerage.com/home.php
My family, and I mean my DIRECT family line is in it. Is yours?

- We are Norse-Norman-Irish so we don't really "count" though.
Rogue is right. The royal houses are all connected. It was done purposefully for economical reasons and with the hope to make alliances between neighboring countries. Not all that successful but not all that of a failure.