The St. John Genealogy Project
Origin and Ancestry DNA Database & Electronic Archive
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Nest ferch Iestyn |
 Abt 1070 - Yes, date unknown |
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Gwenllian ferch Iestyn |
| Abt 1070 - Yes, date unknown |
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Catrin ferch Iestyn |
| Abt 1070 - Yes, date unknown |
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Rhiwallon ab Iestyn |
 Abt 1070 - Yes, date unknown |
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Cynwrig ab Iestyn |
| Abt 1070 - Yes, date unknown |
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Iorwerth ab Iestyn |
| Abt 1070 - Yes, date unknown |
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Gruffudd ab Iestyn |
| Abt 1070 - Yes, date unknown |
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Cadwgon ab Iestyn |
| Abt 1070 - Yes, date unknown |
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Richard ab Iestyn |
| Abt 1070 - Yes, date unknown |
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Gearnad ab Iestyn |
| Abt 1070 - Yes, date unknown |
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Ieuan ab Iestyn |
| Abt 1070 - Yes, date unknown |
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Caradog ab Iestyn, arglwydd of Afan |
| Abt 1070 - Yes, date unknown |
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Madog ab Iestyn, arglwydd of Rhuthin |
| Abt 1100 - Yes, date unknown |
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Rhys ab Iestyn, arglwydd of Resolfen |
| Abt 1100 - Yes, date unknown |
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Constance "Wen" ferch Cadwgon |
| Abt 1030 - Yes, date unknown |
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Iestyn ap Gwrgan, arglwydd of Morgannwg |
| Abt 1030 - |
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