d ▁left ▁a ▁son , ▁L ly w ely n ▁ab ▁An ar aw d , ▁who ▁was ▁recorded ▁as ▁grant ing ▁some ▁of ▁his ▁remaining ▁lands ▁in ▁El f ael ▁to ▁the ▁Ab bey ▁of ▁C w m ▁Hir , ▁which ▁had ▁been ▁founded ▁by ▁his ▁family . ▁L ly w ely n ' s ▁daughter ▁An nes ▁married ▁her ▁cousin ▁Add a ▁ap ▁Mad og , ▁a ▁pat ril ine al ▁desc endant ▁of ▁Ma el g wn ▁( of ▁Ma el ien y dd ), ▁via ▁his ▁son ▁M ared ud d ; ▁Add a ▁would ▁eventually ▁be ▁the ▁last ▁of ▁his ▁family ▁to ▁own ▁any ▁part ▁of ▁Fer li x ▁- ▁in ▁his ▁case , ▁Cer i . ▁▁ ▁Meanwhile , ▁in ▁the ▁anti - mon arch ial ▁events ▁leading ▁up ▁to ▁Mag na ▁Cart a , ▁William ' s ▁and ▁Ma ud ' s ▁son , ▁Regin ald ▁de ▁Bra ose ▁formed ▁an ▁al liance ▁with ▁L ly w ely n ▁F aw r , ▁the ▁prince ▁of ▁G w yn ed d ; ▁consequ ently , ▁in ▁ 1 2 1 5 , ▁he ▁returned ▁El f ael ▁to ▁I or wer th ▁Cl ud , ▁another ▁of ▁G w alter ' s ▁brothers . ▁I or wer th ▁died ▁soon ▁after , ▁and ▁G w alter ▁seized ▁El f ael . ▁When ▁G w alter ▁died ▁in ▁about ▁ 1 2 2 2 , ▁he ▁was ▁succeeded ▁by ▁his ▁nep hew , ▁O w ain ▁ap