í b ▁C ú ar án ' s ▁cause ▁in ▁the ▁conflict , ▁the ▁Me ic ▁Ara ilt ▁are ▁not ▁mentioned , ▁and ▁there ▁is ▁no ▁specific ▁evidence ▁that ▁they ▁did ▁so . ▁On ▁one ▁hand , ▁it ▁is ▁possible ▁that ▁the ▁family ▁supported ▁Am la í b ▁C ú ar án ▁in ▁the ▁conflict . ▁On ▁the ▁other ▁hand , ▁if ▁evidence ▁of ▁contemporary ▁Or c ad ian ▁enc ro achment ▁into ▁the ▁Is les ▁is ▁taken ▁into ▁account , ▁there ▁is ▁reason ▁to ▁suspect ▁that ▁the ▁Is les men ▁present ▁in ▁the ▁conflict ▁were ▁ad her ents ▁of ▁the ▁ear ls ▁of ▁Or k ney , ▁and ▁did ▁not ▁include ▁the ▁Me ic ▁Ara ilt . ▁ ▁Mac cus ' ▁brother ▁is ▁the ▁first ▁King ▁of ▁the ▁Is les ▁to ▁recorded ▁as ▁such ▁by ▁Irish ▁sources , ▁when ▁he ▁was ▁sty led ▁ ▁by ▁the ▁fif teenth - ▁to ▁six teenth - century ▁Ann als ▁of ▁Ul ster ▁on ▁his ▁death ▁in ▁ 9 8 9 . ▁The ▁appearance ▁of ▁the ▁kingdom ▁at ▁this ▁time ▁could ▁indicate ▁that ▁the ▁catal yst ▁behind ▁its ▁emer gence ▁was ▁Am la í b ▁C ú ar án ' s ▁defeat ▁at ▁T ara , ▁the ▁subsequent ▁loss ▁of ▁Dublin ▁to ▁M á el ▁Se ch na ill ' s ▁over l ord ship , ▁and ▁Am la í b ▁C ú ar án ' s ▁later ▁dem ise . ▁On ▁one ▁hand , ▁the ▁kingdom ▁could ▁have ▁been ▁a ▁recent ▁creation , ▁perhaps ▁a