| Father | Male Gronwy ap Edynfed |
| Born | Abt 1194 | of Trecastell, Llangoed, Anglesey, Wales |
| Died | ||
| Buried | ||
| Married | ||
| Father | Ednyfed "Fychan" ap Cynwrig | F29645 Group Sheet | |
| Mother | Gwenllian Verch Rhys | F29645 Group Sheet | |
| Mother | Female Morfudd Verch Meurig |
| Born | Abt 1198 | of, Grosmont, Monmouthshire, England |
| Died | ||
| Buried | ||
| Father | ||
| Mother | ||
| Child 1 | Male Tudur ap Gronwy |
| Born | Abt 1221 | of Trecastell, Llangoed, Anglesey, Wales |
| Died | 1310 | |
| Buried |
| Child 2 | Female Adles Verch Gronwy |
| Born | Abt 1223 | of Trecastell, Llangoed, Anglesey, Wales |
| Died | ||
| Buried |
| Child 3 | Male + Gronwy "Fychan" ap Gronwy |
| Born | Abt 1226 | of Trecastell, Llangoed, Anglesey, Wales |
| Died | ||
| Buried | ||
| Spouse | Generys Verch Hwfa | F29637 | |
| Married | ||