Nielsen Hayden genealogy
Family: John Griffith / Katherine Tyrwhit (F20163)
Thomas Griffith (1377-1433) 
|
| Robert Tyrwhit ( -1427)
|
William Tyrwhit (1390-1450)  |
| John Griffith ( -1471)
|
| Rhys Griffith ( -1488) |
Nielsen Hayden genealogy| Thomas Griffith (1377-1433)
|
| Robert Tyrwhit ( -1427)
|
| William Tyrwhit (1390-1450) |
| John Griffith ( -1471)
|
| Rhys Griffith ( -1488) |