Gwenllian ferch Yr Arglwydd Rhys

ap Gruffydd Side

• ap Gruffydd, Rhys King of Deheubarth Abt 1132 - 1197  (~ 65 years)

• ap Rhys, Gruffydd Abt 1090 - 1137  (~ 47 years)
• ferch Gruffudd, Gwenllian - 1136

• ap Tewdyr, Rhys King of Deheubarth - 1093
• (Unknown wife of Rhys ap Tewdyr)
• ap Cynan ab Iago, Gruffydd King of Gwynedd Abt 1055 - 1137  (~ 82 years)
• ferch Owain, Angharad - 1162

• ap Cadell ab Einion ab Owain, Tewdwr Mawr Abt 1000 -
• ab Iago, Cynan
• of Dublin, Radnailt
• ab Edwin, Owain - 1104
• (Unknown daughter of Ednywain Bendew)

• ab Einion ab Owain ap Hywel Dda, Cadell Abt 970 -
• ferch Gwerystan, Elinor
• ab Idwal, Iago King of Gwynedd - 1039
• mac Sitric, Amlaíb - 1034
• ingen Dúnlaing, Máelcorcre
• of Tegeingl, Edwin - 1073
• ferch Cynfyn, Iwerydd

ferch Madog Side

• ferch Madog, Gwenllian - 1160

• 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

• ap Cynfyn, Bleddyn King of Gwynedd & Powys - 1075
• ferch Cillin, Haer
• ap Morien ap Morgeneu ab Elystan ap Gwaithfoed, Einudd Abt 1070 -

• ap Gwerystan, Cynfyn Abt 1000 -
• ferch Maredudd, Angharad
• y Blaidd Rhudd, Cillin