Sub Clades of E1b1b1a1 (E-M78)There are four recognized sub-clades, which were mostly defined by Cruciani et al. (2006).
E1b1b1a1a (E-V12). Found in Egypt, Sudan, and other places. Has an important sub-clade E1b1b1a1a2 (E-V32) which is very common amongst Ethiopian Oromo, Borana Oromo from Kenya and Somalis.
E1b1b1a1b (E-V13). This is the most common type of E1b1b found in Europe and is especially common in the Balkans.
E1b1b1a1c (E-V22). Found in Egypt, the Middle East and other places.
E1b1b1a1d (E-V65). Associated with the Maghreb, but also found in Italy and Spain.
E1b1b1a1e (E-M521). Found in two individuals in Greece by Battaglia et al. (2008)



