| Father | Male Gwilym ap Gruffydd |
| Born | Abt 1375 | of Penrhyn, Llandygai, Caernarvonshire, Wales |
| Died | 1430 | |
| Buried | ||
| Married | ||
| Father | Gruffydd ap Gwilym | F29577 Group Sheet | |
| Mother | Generys Verch Madog | F29577 Group Sheet | |
| Mother | Female Jonet Stanley |
| Born | Abt 1379 | of Hooton, Cheshire, England |
| Died | ||
| Buried | ||
| Father | William Stanley | F29662 Group Sheet | |
| Mother | ||
| Child 1 | Male + William "Fychan" ap Gwilym |
| Born | Abt 1399 | of Penrhyn, Llandygai, Caernarvonshire, Wales |
| Died | 1482 | |
| Buried | ||
| Spouse | Alice Dalton | F29573 | |
| Married | 1443 | Apthorp, Northants., England |
| Child 2 | Female Elen Verch Gwilym |
| Born | Abt 1401 | of Penrhyn, Llandygai, Caernarvonshire, Wales |
| Died | ||
| Buried |
| Child 3 | Female Elsbeth Verch Gwilym |
| Born | Abt 1403 | of Penrhyn, Llandygai, Caernarvonshire, Wales |
| Died | ||
| Buried |