Behrendt Genealogy
Find out about the 7 generations of Behrendt descended from Baer Joachim Behrendt.
http://www.behrendt.co.uk/

Finders
UK based international genealogy service. Trace missing heirs and beneficiaries worldwide
http://www.findersuk.com

Jewish Genealogy
Find a wide variety of databases that offer information about Jewish family history.
http://www.jewishgen.org/