The St. John Genealogy Project
Origin and Ancestry DNA Database & Electronic Archive
 MaleLlywelyn "Llanfair" ab Ieuan |
| Birth | Abt 1300 | of, Castell Odwyn, Llanbadarn Odwyn, Cardiganshire, Wales  |
| Christening | {Tribe: Cydifor ap Gwaithfoed} |
|
| Death | Yes, date unknown | |
| Burial | ||
| Marriage | ||
| Father | Ieuan ap Gruffudd "Foel" | F10149 Group Sheet | |
| Mother | Ellyw ferch Maredudd | F10149 Group Sheet | |
 FemaleMawd ferch Gruffudd |
| Birth | Abt 1300 | of, Llangathen, Carmarthenshire, Wales |
| Christening | {Tribe: Elystan Glodrydd} |
|
| Death | Yes, date unknown | |
| Burial | ||
| Father | Gruffudd ap Gronwy "Gôch", arglwydd of Llangathen | F14980 Group Sheet | |
| Mother | Margred ferch Cadwgon | F14980 Group Sheet | |
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