 The principal Welsh monarch during Ímar 's reign was Gruffudd ap Llywelyn ( died 1063 / 1064 ) . One of the latter 's main rivals was Iago ab Idwal ap Meurig , King of Gwynedd ( died 1039 ) , a man who had killed Gruffudd 's father in 1023 , and thenceforth ruled Gwynedd until his own demise in 1039 . Gruffudd himself may have been responsible for Iago 's slaying , and certainly succeeded to the kingship of Gwynedd after his death . It was likely in the context of Iago 's fall and this resulting regime change that the latter 's son , Cynan ( fl . 1064 ) , fled overseas and sought refuge in Dublin . 
 The principal Welsh monarch during Ímar <a href='null_genetive' title='1'><mark>'s</mark></a>reign was Gruffudd ap Llywelyn (<a href='been_done' title='2'><mark></mark></a> died 1063 / 1064 ) . One of the latter <a href='null_genetive' title='3'><mark>'s</mark></a>main rivals was Iago ab Idwal ap Meurig , King of Gwynedd (<a href='been_done' title='4'><mark></mark></a> died 1039 ) , a man <a href='null_relcl' title='5'><mark>who</mark></a><a href='been_done' title='6'><mark>had</mark></a> killed Gruffudd <a href='null_genetive' title='7'><mark>'s</mark></a>father in 1023 , and thenceforth ruled Gwynedd until his own demise in 1039 . Gruffudd himself may have been responsible for Iago <a href='null_genetive' title='8'><mark>'s</mark></a>slaying , and certainly succeeded to the kingship of Gwynedd after his death . It was likely in the context of Iago <a href='null_genetive' title='9'><mark>'s</mark></a>fall and this resulting regime change <a href='null_relcl' title='10'><mark>that</mark></a>the latter <a href='null_genetive' title='11'><mark>'s</mark></a>son , Cynan ( fl . 1064 ) , fled overseas and sought refuge in Dublin . 
Da principal Welsh monarch during Ímar  reign was Gruffudd ap Llywelyn ( done died 1063 / 1064 ) . One of the latter  main rivals was Iago ab Idwal ap Meurig , King of Gwynedd ( done died 1039 ) , a man done killed Gruffudd  father in 1023 , and thenceforth ruled Gwynedd until his own demise in 1039 . Gruffudd himself may have been responsible for Iago  slaying , and certainly succeeded to the kingship of Gwynedd after his death . It was likely in the context of Iago  fall and this resulting regime change the latter  son , Cynan ( fl . 1064 ) , fled overseas and sought refuge in Dublin .