Myfanwy ferch Gwrgan ab Ithel Ddû ab Owain Parents Angharad ferch Ednowain NN ferch Cynfyn ap Gwerystan ap Gwaithfoed Gwrgant ab Ithel Children Siblings Efa ferch Gwrgant Iestyn ap Gwrgant Nest ferch Gwrgan ab Ithel ab Idwallon Efa ab Gwrgant