| | Gwenllian ferch Rhys …–1236 | | |
| | Maredudd Gethin ap Rhys 1152–1201 | | |
| | Rhys ap Gruffydd 1132–1197 Gwenllian ferch Madog …–… | | |
| | Gruffydd ap Rhys … …–1137 Gwenllian ferch Gruffydd …–… | | |
King of England Henry I Beauclerc … 1068–1135 | | |
| | Rhys ap Tewdr … Ruler of Debeubarth (South Wales) …–1093 | | |
| | Rhys Sais ap Ednyfed … …– | | |
| | Ednyfed ap Llywarch Gam … …– | | |
| | | | | | Cynfyn ap Gwerystan … of Powys …–… Angharad ferch Maredudd … 982–… | | | | | | | | | | | | Hywel Dda ap Cadell 880–950 Elen ferch Llywarch … …–… | | |
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