They were based at Lisnaskea, and their royal inauguration site was nearby Sgiath Gabhra (Skeagoura), now called Cornashee.

His successor, Cú Chonnacht Óg Mag Uidhir, was one of the Gaelic Irish leaders who fled Ireland during the Flight of the Earls.

According to the Book of Glendalough (also known as the Rawlinson B 502) a genealogy is provided for the early Manach people and they claim descent from Dáire Barrach, the son of Cathair Mór, High King of Ireland.

[5] Dáire Barrach's descendants elsewhere in Ireland are today known as the MacGorman (Mac Gormáin) and ruled Uí Bairrche during the Middle Ages.

According to Peadar Livingstone, the territory of Fermanagh became disputed between these groups and the previously ruling Fir Manach people.