Alternate Names: “Biotu” (pej.), “Igabo” (pej.), “Sobo” (pej.)
Dialects: Aviara, Elu, Emede, Enhwe, Ibiede, Imiv, Irri (Iri), Itebiege, Iwire (Igbide), Iyede, Iyede-Ami, Iyowo, Ofagbe, Ole (Oleh), Olomoro, Owe (Owhe), Oyede, Ozoro, Ume, Unogboko, Uti, Uzere.
Genealogy:
Demographics: 423,000 (Johnstone and Mandryk 2001).
Language Use: Used as L2 by Eruwa [erh].
Language Development: Taught in primary schools. Grammar. Bible: 1977.
Writing System: Latin
Nation of Origin: Nigeria
Other Comments: “Sobo” and “Igabo” are offensive names. “Biotu”, interior people, is the Izon name for the Isoko and is not meant offensively by the Izon; however, the Isoko do not like it.