The St. John Genealogy Project
Origin and Ancestry DNA Database & Electronic Archive
Abt 1270 - Yes, date unknown 
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| Name | Lleucu "Gwyn" ferch Einion "Sais" [1, 2, 3, 4, 5] | |
| Nickname | Gwyn | |
| Birth | Abt 1270 | of, Pen-pont, Llansbyddyd, Breconshire, Wales  |
| Christening | {Tribe: Bleddyn ap Maenyrch} |
|
| Gender | Female | |
| Name | Lleici ferch Einion Sais [6] | |
| Name | Lleici ferch Einon Sais [7] | |
| Name | Lleycy ferch Eynon Sais [8] | |
| Name | Lleycy gwyn ap Eynon says [9] | |
| Name | Lleykey ferch Einon Sais [10] | |
| Death | Yes, date unknown | |
| Person ID | I105299383 | St. John Origin and Ancestry DNA Database |
| Last Modified | 23 Aug 2013 | |
| Father | Einion "Sais" ap Rhys, b. Abt 1230, of, Pen-pont, Llansbyddyd, Breconshire, Wales d. Aft 1271 (Age 42 years) | |
| Mother | [unknown] ferch [unknown], b. Abt 1230, of, Cilwhiballt manor, Modrydd, Llansbyddyd, Breconshire, Wales d. Yes, date unknown | |
| Marriage | Yes, date unknown | |
| Family ID | F267987 | Group Sheet | Family Chart |
| Family | Owain ap Caradog, b. Abt 1270, of, Glyntawe, Defynnog, Breconshire, Wales d. Yes, date unknown | |
| Family ID | F268441 | Group Sheet | Family Chart |
| Notes |  Notes (Log in) |
| Reference | Suzanne St. John. "Lleucu "Gwyn" ferch Einion "Sais"". The St. John Genealogy Project. https://stjohngenealogy.com/getperson.php?personID=I105299383&tree=OSA0001 (accessed April 26, 2025). |
| Sources |  Sources (Log in) |
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