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Earliest African Tribes. The San tribe has been living in Southern Africa for at least 30,000 years and they are believed to be not only the oldest African tribe, but quite possibly the world's most ancient race. The San have the most diverse and distinct DNA than any other indigenous African group - reported by https://t.co/44UmBaBtyw . The san tribe, the Igbo and Yoruba possess the Y-chromosome. While the Igbo and Yoruba possess the Haplogroup_E-M2, which Possible time of origin 39,300 years Possible place of origin Western Africa, the San haplogroups are specific A and B, the two earliest branches on the human Y-chromosome. A DNA study of fully sequenced genomes, published in September 2016, showed that the ancestors of today's San hunter-gatherers began to diverge from other human populations in Africa about 200,000 years ago . Archeological and genetic studies also showed that the ancestors of the Igbos have settled in their present location about 100,000 years ago. #Africa