▁Ann als ▁of ▁the ▁Four ▁Masters ▁reve al ▁that ▁Mac cus — ac comp an ied ▁by ▁the ▁ ▁(" law men ") ▁of ▁the ▁Is les — att ack ed ▁Sc atter y ▁Island ▁and ▁captured ▁Í mar , ▁King ▁of ▁L imer ick . ▁Í mar ▁appears ▁to ▁have ▁gained ▁the ▁king ship ▁of ▁L imer ick ▁in ▁the ▁ 9 6 0 s . ▁If ▁Mac cus ▁was ▁indeed ▁a ▁son ▁of ▁Ar alt , ▁Mac cus ' ▁move ▁against ▁Í mar ▁in ▁ 9 7 4 ▁would ▁appear ▁to ▁cor ro bor ate ▁this ▁kin ship . ▁For ▁instance , ▁Mac cus ' ▁attack ▁could ▁have ▁been ▁undert aken ▁in ▁the ▁context ▁of ▁reg aining ▁what ▁he ▁regarded ▁as ▁his ▁pat rim ony , ▁since ▁Í mar ' s ▁acc ession ▁in ▁L imer ick ▁was ▁conce iv ably ▁accomplished ▁at ▁the ▁exp ense ▁of ▁Ar alt ' s ▁pro gen y . ▁ ▁It ▁is ▁possible ▁that ▁Í mar ▁was ▁in ▁control ▁of ▁L imer ick ▁in ▁ 9 6 9 , ▁and ▁may ▁have ▁controlled ▁the ▁town ▁in ▁ 9 7 2 , ▁when ▁the ▁M unst erm en ▁are ▁recorded ▁to ▁have ▁exp elled ▁the ▁Vik ing ▁r uling ▁el ite . ▁If ▁correct , ▁Í mar ' s ▁return ▁to ▁power ▁could ▁explain ▁the ▁Me ic ▁Ara ilt ▁kind red ' s ▁actions ▁against ▁him . ▁Mac cus ▁may ▁have ▁r ans omed ▁Í mar ▁to ▁the ▁L imer ick men , ▁or ▁Í mar