The following teaser is from the October 09, 2013 edition of Heritage Daily:
Professor Martin Richards, of the Archaeogenetics Research Group at the University of Huddersfield, has published a paper uncovering new information about how Ashkenazi Jewish men moved into Europe from the Middle East, and their marriage practices with European women.
The origins of Ashkenazi Jews – that is, Jews with recent ancestry in central and Eastern Europe – is a long-standing controversy. It is usually assumed that their ancestors migrated into Europe from Palestine in the first century AD, after the destruction of the Second Temple by the Romans, with some intermarriage with Europeans later on.
But some have argued that they have a mainly European ancestry, and arose by conversion to Judaism of indigenous Europeans, especially in Italy. Others have even argued that they were largely assimilated in the North Caucasus during the time of the Khazar Empire, whose rulers turned to Judaism around of the tenth century AD.