Lewis-Powers Family History
The Genealogy of the Lewis-Powers Family
Family: Rhys Goch Ap Rhydderch / Gwenllian Verch Llywelyn (F975)
m. 1224Rhydderch ap Dafydd (1174- ) 
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Lleucu Verch Cadwgon (1174- )
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| Owain Ap Rhydderch (1190- ) |
| Llywellen Fawr ab Iorwerth, Prince of Wales (1173-1240)
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| Joan Plantagenet, Lady of Wales (1190-1237)
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| Gwenllian Verch Llywelyn (1207-1281) |
| Rhys Goch Ap Rhydderch (1200-1300)
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| Gwenllian Verch Llywelyn (1207-1281)
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Foel Ap Rhys Rhys (1240-1340)  |
| Jonet verch Rhys (1242-1265) |