Iestyn ap Gwrgant

last independent ruler of Glamorgan (1045–1093)

Parents

• Angharad ferch Ednowain
• Gwrgant ab Ithel
• NN ferch Cynfyn ap Gwerystan ap Gwaithfoed

Children

• Gwenllian ferch Iestyn ap Gwrgan ab Ithel
• Nest ferch Iestyn ap Gwrgan ab Ithel
• Madog ab Iestyn ap Gwrgan ab Ithel of Rhuthion
• Rhydderch ab Iestyn
• Catrin ferch Iestyn ap Gwrgan
• Gruffudd ab Iestyn ap Gwrgan ab Ithel
• Rhys ab Iestyn ap Gwrgan ab Ithel of Resolfen
• Caradog ab Iestyn

Siblings

• Efa ferch Gwrgant
• Myfanwy ferch Gwrgan ab Ithel Ddû ab Owain
• Efa ab Gwrgant
• Nest ferch Gwrgan ab Ithel ab Idwallon