| | EINON SAIS ap Rhys 1200–… Gwenllian ferch Howel ap Rhys Grug …–… | | | | Catherine Ferch Griffith Gwyr 1170–… | | | | HYWEL ap TRAHAERN of Llangors 1130–… Gwenllian Ferch Gruffudd 1140–… | | | | TRAHAERN ap Gwgon Lord of Llangorse 1095–… Gwenllian ferch Rhys 1100–… | | |
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| | | Griffith Gwyr of Gower …–… |
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