[3] This set off a feud between the Clann Cholmáin and Síl nÁedo Sláine and in 604 a battle was fought in Faithche Mic Mencnain on the shore of Loch Semdid (Lough Sewdy), (Ballymore Loughsewdy in modern County Westmeath).
[6]Conall succeeded as King of Uisnech in 621 on the death of Óengus mac Colmáin, son of Colmán Bec.
[10] In 634, at the Battle of Loch Trethin at Fremainn (Lough Drin, .75 miles northeast of Cullionbeg, County Westmeath),[11][12] Conall slew Congal mac Áedo Sláine, King of Brega, and his brother Ailill Cruitire, continuing the feud with the Síl nÁedo Sláine.
In 635 Diarmait mac Áedo Sláine (died 665) killed Conall in the house of Nad Fraích's son.
[15] Airmetach's other son, Diarmait Dian mac Airmetaig Cáech (died 689), was a King of Uisnech.