Iestyn ap Gwrgant last independent ruler of Glamorgan (1045–1093) Parents NN ferch Cynfyn ap Gwerystan ap Gwaithfoed Angharad ferch Ednowain Gwrgant ab Ithel Children Nest ferch Iestyn ap Gwrgan ab Ithel Gwenllian ferch Iestyn ap Gwrgan ab Ithel Madog ab Iestyn ap Gwrgan ab Ithel of Rhuthion Gruffudd ab Iestyn ap Gwrgan ab Ithel Rhys ab Iestyn ap Gwrgan ab Ithel of Resolfen Caradog ab Iestyn Rhydderch ab Iestyn Catrin ferch Iestyn ap Gwrgan Siblings Efa ferch Gwrgant Nest ferch Gwrgan ab Ithel ab Idwallon Myfanwy ferch Gwrgan ab Ithel Ddû ab Owain Efa ab Gwrgant