The St. John Genealogy Project
Origin and Ancestry DNA Database & Electronic Archive
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 | Gruffudd "Fychan" ap Dafydd "Fongam" (1300-1356)
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 | Mabli ferch Dafydd (1330- )
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| Rhys ap Gruffudd "Fychan" (1330- )  |
| [unknown] ferch Gruffudd "Fychan" (1330- ) |
| Dafydd ap Gruffudd "Fychan" (1330- ) |
| Ifor ap Gruffudd "Fychan" (1330- ) |
| Iorwerth ap Gruffudd "Fychan" (1330- ) |
| Gruffudd ap Llywelyn "Foethus" (1330-1401)
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| Gwenllian [3rd] ferch Ieuan "Llwyd" (1330- )
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| Ieuan "Waywbyr" ap Gruffudd (1370- ) |
| Rhys ap Gruffudd (1370- ) |
| John ap Gruffudd (1370- ) |
| Mabli ferch Gruffudd (1370- ) |
| Gwenllian [1st] ferch Gruffudd (1370- ) |
| Gwenllian [2nd] ferch Gruffudd (1370- ) |
| Catrin ferch Gruffudd (1370- ) |
| Lleucu ferch Gruffudd (1370- ) |
| Margred ferch Gruffudd (1370- ) |
| Ellyw ferch Gruffudd (1370- ) |
| Elen [1st] ferch Gruffudd (1370- ) |
| Elen [2nd] ferch Gruffudd (1370- ) |
| Annes ferch Gruffudd (1370- ) |
| Jonet ferch Gruffudd (1370- )
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| Llywelyn ap Gruffudd "Fychan" (1330-1401)
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