The results shown below are from my genetic testing by 23andMe - It shows my maternal and paternal heritage.
The following web site explains Hapgroup HV4a, its origins and its distribution.
Eupedia.com
This Haplogroup shows that the early Sherring ancestors after leaving the Mediterranean area headed north into central Europe and then towards what is now Western Europe. Obviously any migration to what is now the British Isles could not have occurred until the thawing of the last ice age 12,000 years ago.