The St. John Genealogy Project
Origin and Ancestry DNA Database & Electronic Archive
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 | Madog ap Meurig (1230- )
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 | Gwladus ferch Gruffudd "Goeg" (1230- )
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| Meurig ap Madog (1270- )  |
| Rhûn ap Gronwy "Fychan", lord of Cibwr (1270-1317)
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| Joan ferch Aron (1270- )
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| Madog ap Rhûn (1300- ) |
| [unknown] ferch Rhûn (1300- ) |
| Gwilym ap Rhûn (1300- ) |
| Mallt ferch Rhûn (1300- ) |
| Nest ferch Rhûn (1300- ) |
| Llywelyn ap Rhûn (1300- ) |
| [unknown] ferch Rhûn (1300- ) |
| Gruffudd "Gethin" ap Madog KEEP (1270- )
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| Joan ferch Rhûn (1300- )
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| Ieuan ap Gruffudd "Gethin" KEEP (1300- ) |
| Dafydd ap Gruffudd "Gethin" (1300-1392) |
| Jenkin ap Gruffudd "Gethin" (1300- ) |
| Gwenllian ferch Gruffudd "Gethin" (1330- ) |
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