Llywelyn Fawr ap Iorwerth

ap Owain Gwynedd Side

• ap Owain Gwynedd, Iorwerth Drwyndwn - Abt 1174

• Gwynedd, Owain King of Gwynedd - 1169
• ferch Llywarch, Gwladus

• ap Cynan ab Iago, Gruffydd King of Gwynedd Abt 1055 - 1137  (~ 82 years)
• ferch Owain, Angharad - 1162
• ap Trahearn, Llywarch - Aft 1124

ferch Madog Side

• ferch Madog, Margred

• ap Maredudd, Madog Prince of Powys Fadog - 1160
• (Unknown wife or mistress of Madog ap Maredudd)

• ap Bleddyn ap Cynfyn, Maredudd - 1132
• ferch Einudd, Hunydd