| | Gruffydd ap Rhys … …–1137 Gwenllian ferch Gruffydd …–… | | |
King of England Henry I Beauclerc … 1068–1135 | | |
| | Rhys ap Tewdr … Ruler of Debeubarth (South Wales) …–1093 | | |
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| | | | | | | | | | Hywel Dda ap Cadell 880–950 Elen ferch Llywarch … …–… | | | | | | | | Rhodri (Roderick) Mawr 820–878 Angharad verch Meurig 825–… | | |
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| | | Llywarch ap Hyfaidd …–904 | | |
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