Cynwrig ab Iorwerth ap Gwgon ab Idnerth 1122 - 4 May 1196 (1122–1196) Parents Gwenllian ferch Rhirid ap Trahaearn ap Pasgen Iorwerth ap Gwgon ab Idnerth ab Edryd Children Gronwy Foel ap Cynwrig ab Iorwerth ap Gwgon Ednyfed Fychan Gwenllian (1) ferch Cynwrig ab Iorwerth ap Gwgon Einion Ddû ap Cynwrig ab Iorwerth ap Gwgon