According tradition, a sort of warlord called Nnoha Okechi with vague Aro ancestry, but certainly a peripatetic individual, migrated from Ozuzu in the present Etche Local Government Area of Rivers State, and settled in Umunoha, having decisively defeated the original Isu settlers, who resisted him fiercely.
Traditionally, a warlord known as Nnoha Okechi, with ambiguous Aro lineage but certainly an itinerant individual, moved from Ozuzu within present-day Etche Local Government Area of Rivers State and established himself in Umunoha after defeating the original Isu settlers who fiercely opposed him.