Who married Niall 'Garbh' O'Donnell, King of Tir Conaill?

Fionnguala O'Connor married Niall 'Garbh' O'Donnell, King of Tir Conaill .

Niall 'Garbh' O'Donnell, King of Tir Conaill

Description to be added soon.
 
 
Wedding Rings

Fionnguala O'Connor

Description to be added soon.