references and insignia from the original Ogboni, including the Reformed Ogboni Fraternity and the Aborigine Ogboni Fraternity. Similar traditional institutions combining political, judicial, and sacred duties exist among the various ethnic nationalities of southern Nigeria, including Nze na Ozo in Igbo-speaking southeast Nigeria and Ekpe/Ngbe/Ugbe in the Cross River region of southeastern Nigeria and southwestern Cameroon. Initiatory secret societies are a common feature of pre-colonial government across much of West and Central Africa. See also Secret society References Yoruba history African secret societies Noble titles African traditional governments