▁son ▁of ▁O il ill ▁Ol om , ▁had ▁two ▁sons , ▁namely , ▁Con n la ▁and ▁C orm ac ▁Ga ile ang . ▁From ▁I om cha id h ▁son ▁of ▁Con n la ▁comes ▁O ▁C ear b ha ill , ▁and ▁from ▁F ion nach ta ▁son ▁of ▁Con n la ▁comes ▁O ▁Me ach air . ▁From ▁C orm ac ▁Ga ile ang ▁son ▁of ▁T ad h g , ▁son ▁of ▁C ian , ▁comes ▁O ▁E ad h ra ▁and ▁O ▁G ad h ra ▁and ▁O ▁Con ch ub h air ▁C ian nach ta . ▁The ▁following ▁are ▁the ▁territ ories ▁they ▁acquired , ▁namely : ▁Ga ile anga , ▁east ▁and ▁west ; ▁C ian nach ta , ▁south ▁and ▁north ; ▁Lu igh ne , ▁east ▁and ▁west ." ▁ ▁In ▁the ▁ 1 2 th ▁century ▁the ▁Ó ▁G ad hr as ▁were ▁Kings ▁of ▁S li ab h ▁L ug ha , ▁anci ently ▁referred ▁to ▁as ▁G ail eng a . ▁The ▁O ' H ara ' s ▁retained ▁the ▁name ▁Lu igh ne ▁for ▁their ▁territory ▁to ▁the ▁north . ▁The ▁O ' G ar as ▁were ▁exp elled ▁into ▁C ool av in , ▁Co . ▁S lig o ▁by ▁the ▁Mac ▁Jordan ▁of ▁Con n acht . ▁ ▁Early ▁life ▁ ▁Sir ▁The ob ald ▁D illon ▁was ▁among ▁a ▁number ▁of ▁Ang lo - I r ish ▁who ▁acquired ▁property ▁in ▁Lu igh ne ▁in