The St. John Genealogy Project
Origin and Ancestry DNA Database & Electronic Archive
Abt 1370 - Yes, date unknown 
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| Name | Hopkin ap Gruffudd [1] | |
| Birth | Abt 1370 | of, Gwyr cantref, Glamorganshire, Wales  |
| Gender | Male | |
| Name | Hopkyn ap Gruffydd [1] | |
| Death | Yes, date unknown | |
| Person ID | I105440512 | St. John Origin and Ancestry DNA Database |
| Last Modified | 23 Aug 2013 | |
| Family | [unknown] ferch Rhys "Llwyd", b. Abt 1370, of, Porth-yr-ogof, Ystradfellte, Breconshire, Wales d. Yes, date unknown | |
| Family ID | F333792 | Group Sheet | Family Chart |
| Reference | Suzanne St. John. "Hopkin ap Gruffudd". The St. John Genealogy Project. https://stjohngenealogy.com/getperson.php?personID=I105440512&tree=OSA0001 (accessed April 26, 2025). |
| Sources |  Sources (Log in) |
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