Donnell_O'Brien
Donnell O'Brien
Topics referred to by the same term
Donnell O'Brien may refer to
- Domnall Mór Ua Briain (?–1194), king of Thomond, king of Munster, king of Limerick, 1168-1194
- Domhnall mac Conchobair Ó Briain (?–1579), claimed the title of Earl of Thomond in 1553