| Father | Gruffudd ap Dafydd |
| Mother | Margred verch Hywell |
| Son | John Griffith+ (b. 1545, d. 1605) |
| Pedigree Chart | |
| Included in charts - lists | Box Pedigree - CRS Charles Ryland Scott Ancestors Indented - CRS |
| Relationship | 12th great-grandfather of Charles Ryland ("Ryland") Scott 14th great-grandfather of Isaac Silas Vaughn 14th great-grandfather of Katherine Gilstrap Scott 14th great-grandfather of Joseph Ryland Scott 14th great-grandfather of Charles Parker ("Parker") Scott 14th great-grandfather of Orly Marie Vaughn 14th great-grandfather of Avital Catherine Vaughn |
| Birth | circa 1510 | Sion Ap Gruffydd was born circa 1510 in Cefn Amwlch, Penllech, Lleyn, Caernarvonshire, WalesBG. |
| Death | 26 April 1608 | He died on 26 April 1608 at age ~98. |
| Last Edited | 21 August 2023 |