▁ ▁He ▁is ▁believed ▁to ▁have ▁commission ed The ▁Life ▁of ▁Gru ff y dd ▁ap ▁C yn an , ▁an ▁account ▁of ▁his ▁father ' s ▁life . ▁Following ▁his ▁death , ▁civil ▁war ▁broke ▁out ▁between ▁his ▁sons . ▁O w ain ▁was ▁married ▁twice , ▁first ▁to ▁G w lad us ▁fer ch ▁L ly w arch ▁ap ▁Tra ha ear n , ▁by ▁whom ▁he ▁had ▁two ▁sons , ▁Ma el g wn ▁ab ▁O w ain ▁G w yn ed d ▁and ▁I or wer th ▁Dr wy nd wn , ▁the ▁father ▁of ▁L ly w ely n ▁the ▁Great , ▁then ▁to ▁Crist in , ▁by ▁whom ▁he ▁had ▁three ▁sons ▁including ▁D af y dd ▁ab ▁O w ain ▁G w yn ed d ▁and ▁Rh od ri ▁ab ▁O w ain ▁G w yn ed d . ▁He ▁also ▁had ▁a ▁number ▁of ▁il leg it imate ▁sons , ▁who ▁by ▁Wel sh ▁law ▁had ▁an ▁equal ▁claim ▁on ▁the ▁inheritance ▁if ▁acknowled ged ▁by ▁their ▁father . ▁ ▁He irs ▁and ▁success ors ▁ ▁O w ain ▁had ▁originally ▁designated ▁Rh un ▁ab ▁O w ain ▁G w yn ed d ▁as ▁his ▁successor . ▁Rh un ▁was ▁O w ain ' s ▁favour ite ▁son , ▁and ▁his ▁prem ature ▁death ▁in ▁ 1 1 4 6 ▁pl ung ed ▁his ▁father ▁into ▁a ▁deep ▁mel anch oly , ▁from ▁which ▁he ▁was ▁only ▁r oused ▁by ▁the ▁news ▁that ▁his ▁forces