| Name | Gwilym ap Gruffydd | |
| Born | Abt 1299 | of Penrhyn, Llandygai, Caernarvonshire, Wales |
| Gender | Male | |
| AFN | FPWF-6H | |
| Died | Abt 1369 | |
| Person ID | I80681 | Smoky Mountain Ancestral Quest |
| Last Modified | 3 Aug 2000 | |
| Father | Gruffudd ap Heilin, b. Abt 1274, of Penrhyn, Llandygai, Caernarvonshire, Wales | |
| Mother | Efa Verch Gruffydd, b. Abt 1278, of Penhwnllys, Llangoed, Anglesey, Wales | |
| Family ID | F29616 | Group Sheet |
| Family | Gwenhwyfar Verch Ieuan, b. Abt 1299, of Rhuddlan, Rhuddlan, Flintshire, Wales | |||||
| Children |
|
|||||
| Family ID | F29578 | Group Sheet | ||||
| Sources |
|