 The sequence of this individual differed by one mutation from those of the Nigerian individuals, indicating common ancestry, although the relationship between the two lineages has not been determined.In 2008, a basal paternal marker belonging to DE* was identified in two individuals from Tibet (two out of 594), belonging to the Tibeto-Burman group.A 2010 study found six additional samples of DE in southeastern Nigeria in individuals of the Ibibio, Igbo, and Oron ethnic groups.