Iorwerth Drwyndwn

King of Gwynedd (1145–1174)

Parents

• Gwladus ferch Llywarch ap Trahaearn
• Owain Gwynedd

Children

• Llywelyn ab Iorwerth

Siblings

• Cynan ab Owain Gwynedd
• Iefan ab Owain Gwynedd
• Rhodri ab Owain Gwynedd
• Angharad ferch Owain Gwynedd
• Madog ab Owain Gwynedd
• Rhun ab Owain Gwynedd
• Hywel ab Owain Gwynedd
• Maelgwn ab Owain Gwynedd
• Dafydd ab Owain Gwynedd
• Gwenllian ferch Owain Gwynedd

Partners

• Marared ferch Madog