Jewish group of branches: E1b-L791
The Jewish branches can be grouped according to their Y-DNA characteristics. These characteristics are often related to a period between 10000ybp-4000ybp. Some branches had a founding father effect in that period outside the Middle East which gives information on the location of their ancestor at the time of the founding father. For other branches it is more likely that the ancestors were in the Middle East, where, in most cases, no founding father effect took place and population growth was continuous.
An overview of the Jewish groups of branches is present.
These branches are two branches from a shared ancester of about 5000ybp. Most likely the ancestor lived in the Middle East.
Both lines (one Ashkenazi and one possibly Romaniote) are old and narrow lines.
Branches in this group