The St. John Genealogy Project
Origin and Ancestry DNA Database & Electronic Archive
 MaleMadog ap Gronwy "Fychan" |
| Birth | Abt 1300 | of, Trecastell, Llangoed, Anglesey, Wales  |
| Christening | {Tribe: Marchudd} |
|
| Death | Yes, date unknown | |
| Burial | ||
| Marriage | ||
| Father | Gronwy "Fychan" ap Gronwy | F16180 Group Sheet | |
| Mother | Generys ferch Hwfa | F16180 Group Sheet | |
![Margred [1st] ferch Robert](img/female.jpg) FemaleMargred [1st] ferch Robert |
| Birth | Abt 1300 | of, Llaneurgain, Flintshire, Wales |
| Christening | {Tribe: Ednywain Bendew} |
|
| Death | Yes, date unknown | |
| Burial | ||
| Father | Robert ab Iorwerth | F7175 Group Sheet | |
| Mother | Alice ferch Ithel "Fychan" | F7175 Group Sheet | |
| Female + Generys ferch Madog |
| Birth | Abt 1330 | of, Trecastell, Llangoed, Anglesey, Wales |
| Christening | {Tribe: Marchudd} |
|
| Death | Aft 1352 | |
| Burial | ||
| Spouse | Ieuaf ab Adda, lord of Trefor | F7490 | |
| Marriage | ||
| Spouse | Gruffudd ap Gwilym, lord of Penrhyn and Cwchwillan | F8663 | |
| Marriage | ||
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