Iorwerth Drwyndwn ap Owain Gwynedd

Gwynedd Side

• Gwynedd, Owain King of Gwynedd - 1169

• ap Cynan ab Iago, Gruffydd King of Gwynedd Abt 1055 - 1137  (~ 82 years)
• ferch Owain, Angharad - 1162

• ab Iago, Cynan
• of Dublin, Radnailt
• ab Edwin, Owain - 1104
• (Unknown daughter of Ednywain Bendew)

• ab Idwal, Iago King of Gwynedd - 1039
• mac Sitric, Amlaíb - 1034
• ingen Dúnlaing, Máelcorcre
• of Tegeingl, Edwin - 1073
• ferch Cynfyn, Iwerydd

• ap Meuric, Idwal King of Gwynedd - Abt 997
• mac Amlab, Sitric King of Dublin - 1042
• ingen Briain, Slani
• Mac Tuathail, Dunlaing King of Leinster - 1014
• ap Gwerystan, Cynfyn Abt 1000 -
• (Unknown wife or mistress of Cynfyn ap Gwerystan)

ferch Llywarch Side

• ferch Llywarch, Gwladus

• ap Trahearn, Llywarch - Aft 1124

• ap Caradog, Trahearn King of Gwynedd - 1081

• Caradog