▁appear ▁to ▁have ▁been ▁elect ive ▁represent atives ▁from ▁the ▁Heb rides , ▁and ▁these ▁ann al - entries ▁could ▁be ▁evidence ▁that ▁leading ▁figures ▁in ▁the ▁Irish ▁Sea ▁region ▁received ▁formal ▁support ▁from ▁the ▁Heb rides . ▁Following ▁Mac cus ' ▁campaign ing ▁against ▁Í mar , ▁nothing ▁is ▁recorded ▁of ▁the ▁Me ic ▁Ara ilt ▁until ▁the ▁ 9 8 0 s . ▁In ▁ 9 8 4 , ▁the ▁Ann als ▁of ▁In isf allen ▁reports ▁that ▁the ▁Me ic ▁Ara ilt ▁contract ed ▁an ▁al liance ▁with ▁Brian ' s ▁family , ▁and ▁ex changed ▁host ages ▁with ▁them ▁in ▁an ▁apparent ▁agreement ▁per tain ing ▁to ▁military ▁co operation ▁against ▁the ▁Kingdom ▁of ▁Dublin . ▁This ▁compact ▁seems ▁to ▁indicate ▁that ▁Brian ' s ▁family ▁sought ▁to ▁align ▁the ▁Vik ings ▁of ▁the ▁Is les ▁against ▁those ▁of ▁Dublin . ▁ ▁Mac cus ' ▁brother ▁eventually ▁res umed ▁the ▁Me ic ▁Ara ilt ▁attacks ▁upon ▁the ▁Wel sh . ▁According ▁to ▁the ▁Pen iar th ▁version ▁of ▁Br ut ▁y ▁T yw ys ogy on , ▁a ▁certain ▁— a ▁man ▁who ▁may ▁be ▁identical ▁to ▁G of raid — rav aged ▁L l <0xC5> <0xB7> n ▁in ▁ 9 7 8 . ▁The ▁Red ▁Book ▁of ▁Her gest ▁version ▁of ▁Br ut ▁y ▁T yw ys ogy on ▁reports ▁that ▁G of raid , ▁along ▁with ▁the ▁ex iled ▁V ened ot ian ▁prince ▁C ust enn in ▁ab ▁I ago , ▁rav aged ▁L l <0xC5>