Davis Uriah I | Born 1707
Family: LLYWARCH, Iorwerth ap / HYWEL, Gwenllian ferch (F30419)
The parent family of IORWERTH, Maredudd Ap is the Birth Family.
Rhael Verch Gronwy (1111-1141) 
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| LLYWARCH, Einion ap (1162- ) |
LLYWARCH, Cadwgon ap (1164- ) |
| LLYWARCH, Tangwyst ferch (1165- ) |
| LLYWARCH, Madog ap (1166- ) |
| LLYWARCH, Einudd ap (1169- ) |
| LLYWARCH, Einudd Ap (1145- ) |
| LLYWARCH, Madog Ap (1147- ) |
LLYWARCH, Iorwerth ap (1147- )  |
| AP LLYWARCH, Cadwagon (1151- ) |
| LLYWARCH, Einion Ap (1153- ) |
| LLYWARCH, Tangwystl Verch (1168-1219) |
| LLYWARCH, Iorwerth ap (1168- )
|
| IORWERTH, Maredudd Ap (1200- ) |
| IORWERTH, Adda ap (1198- ) |
| IORWERTH, Son ap (1196- ) |
| IORWERTH, Cadwgon ap (1202- ) |