The St. John Genealogy Project
Origin and Ancestry DNA Database & Electronic Archive
Abt 1330 - Yes, date unknown 
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| Name | Madog ab Ieuan [1, 2, 3, 4] | |
| Birth | Abt 1330 | of, Llandaf, Caerdydd, Glamorganshire, Wales  |
| Christening | {Tribe: Gwaithfoed of Gwent} |
|
| Gender | Male | |
| Death | Yes, date unknown | |
| Person ID | I105066254 | St. John Origin and Ancestry DNA Database |
| Last Modified | 23 Aug 2013 | |
| Father | Ieuan ap Gruffudd "Gethin", b. Abt 1300, of, Llandaf, Caerdydd, Glamorganshire, Wales d. Yes, date unknown | |
| Mother | Crisli ferch Gawdyn, b. Abt 1300, of, Meisgyn commote, Glamorganshire, Wales d. Yes, date unknown | |
| Family ID | F147228 | Group Sheet | Family Chart |
| Family | [unknown] Fleming, b. Abt 1330, of, Pen-llin, Glamorganshire, Wales d. Yes, date unknown | |
| Family ID | F151294 | Group Sheet | Family Chart |
| Notes |  Notes (Log in) |
| Reference | Suzanne St. John. "Madog ab Ieuan". The St. John Genealogy Project. https://stjohngenealogy.com/getperson.php?personID=I105066254&tree=OSA0001 (accessed April 24, 2025). |
| Sources |  Sources (Log in) |
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