Another good article:

A cousins' quest in the US and the UK reunites the descendants of
two brothers.

It's All Relative: A riddle of roots
by Schelly Talalay Dardashti

http://www.ynetnews.com/articles/0,7340,L-3249081,00.html

Micha Reisel
Hod Hasharon, Israel
Vice president of JFRA
the Jewish Family Research Association of Israel