▁to ▁reven ge ▁the ▁injury ▁offered ▁to ▁the ▁great ▁father ▁of ▁all ." ▁ ▁Upon ▁his ▁return ▁from ▁the ▁cr us ade , ▁Ein ion ▁o ' r ▁P orth ▁was ▁murder ed ▁by ▁his ▁own ▁brother , ▁G w alter , ▁who ▁then ▁seized ▁power ▁in ▁El f ael . ▁William ▁de ▁Bra ose ▁subsequently ▁conquer ed ▁El f ael , ▁depos ing ▁G w alter , ▁and ▁re capt uring ▁New ▁Rad nor ▁and ▁P ain ' s ▁Castle . ▁In ▁ 1 1 9 6 , ▁Prince ▁Rh ys , ▁grand father ▁of ▁An ar aw d , ▁Ein ion ' s ▁son ▁and ▁he ir , ▁attempted ▁to ▁re - capt ure ▁P ain ' s ▁Castle , ▁but ▁failed . ▁When ▁Rh ys ▁died ▁soon ▁after , ▁Rh ys ▁had ▁been ▁the ▁most ▁powerful ▁Wel sh ▁prince , ▁and ▁now ▁G wen w yn w yn ▁ap ▁O w ain , ▁the ▁prince ▁of ▁Pow ys ▁W en w yn w yn , ▁sought ▁to ▁become ▁the ▁most ▁dominant ; ▁in ▁ 1 1 9 8 ▁he ▁attacked ▁P ain ' s ▁Castle . ▁P ain ' s ▁Castle ▁was ▁def ended ▁by ▁William ' s ▁wife ▁Ma ud ▁( aka . ▁Mat ilda ) ▁until ▁it ▁was ▁rel ieved ▁by ▁Geoff rey ▁f itz ▁Peter . ▁On ▁ 1 2 ▁August ▁ 1 1 9 8 ▁An ar aw d ▁became ▁one ▁of ▁the ▁thousands ▁of ▁Wel sh ▁soldiers ▁killed ▁in ▁the ▁fighting ▁▁ ▁An ar aw