Davis Uriah I | Born 1707
Family: GENLLIN, Cynfyn Ap / SEISYLL, Gwladus Verch (F18651)
AP RHYS, Lord of Ystradwy Cynhyllyn (1100- ) 
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HOWEL, Janet (1120- )
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AP CYNHYLLYN, Cynfyn (1132- )  |
| DYFNWAL, Seisyll Ap (1126-1177) |
| OWAIN, Dyddgu Verch (1130- )
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| GENLLIN, Cynfyn Ap (1148- )
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| SEISYLL, Gwladus Verch (1135- )
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| CYNFYN, Arthen Ap (1160- ) |
| CYNFYN, Ieuan Ap (1174- ) |