The St. John Genealogy Project
Origin and Ancestry DNA Database & Electronic Archive
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 | Dafydd ap Llywelyn (1300-1344)
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![Catrin [de Winchester]](img/female.jpg){kind=small} | Catrin [de Winchester] (1300- )
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| Einion ap Gwilym (1350- )
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| Dyddgu ferch Gruffudd (1330- )
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| Syr Dafydd ab Einion (1370- )  |
| Dyddgu ferch Einion (1370- ) |
| Morgan ab Einion (1370- ) |
| Ieuan "Gôch" ab Einion (1370- ) |
| Dafydd "Fychan" ap Dafydd (1330- )
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| Gwenllian ferch Einion (1370- )
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| Jonet ferch Dafydd "Fychan" (1370- ) |
| Morgan ap Dafydd "Fychan" (1370- ) |
| Gwilym "Brwn" ap Dafydd "Fychan" (1370- ) |
| Thomas ap Dafydd "Fychan" (1370- ) |
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