THERE is a debate over the origin of Igbo. Two Anambra communities – Nri in Anaocha local government area and Aguleri in Anambra East local government area claim the Igbo originated from their areas. It was Eze Obidiegwu Onyesoh, the traditional ruler of Nri, who started the argument when he said his community is the origin of Igbo. Shortly after, Aguleri debunked it, saying Onyeso ought to know the truth because he had to visit Aguleri before his coronation in 1988 to receive blessing as Igbo custom demanded of him. According to Aguleri people, Aguleri is the first son of Eri who migrated from Egypt. Igbo-menBut Onyesoh would not accept that as he insisted that his community is the first home of the Igbo before they migrated to other areas and even beyond the shores of eastern Nigeria. His words: The origin of Nri is Egypt about two centuries ago and the father of Nri was called Gad. Gad was the son of Jacob while Jacob was the son of Isaac and............http://secretof2020..com/2014/08/where-did-igbo-originate-from.html

the ibos do not have a specific story of their origins
I've heard several theories , like, they are of jewish decent
this one is new tho
hmm