Nielsen Hayden genealogy
Family: Eustace de Morteyn / (Unknown daughter of Richard Silveyn) (F5176)
Eustace de Morteyn (1160-1223) 
|
Hillaria ( -1216) |
| Richard Silveyn ( -1223) |
| Eustace de Morteyn (1190-1233)
|
John de Morteyn (1230-1266)  |