Hugh Duff O'Neill (

Irish Irish may refer to: Common meanings * Someone or something of, from, or related to: ** Ireland, an island situated off the north-western coast of continental Europe ***Éire, Irish language name for the isle ** Northern Ireland, a constituent unit ...

: ''Aodh Dubh Ó Néill'') was a king of Clandeboye in

medieval Ireland Ireland in the Middle Ages may refer to: * History of Ireland (400–800), Ireland in the early Middle Ages *History of Ireland (800–1169), Ireland in the high Middle Ages *History of Ireland (1169–1536), Ireland in the late Middle Ages See a ...

. A son of

Niall Mór O'Neill Niall Mór O'Neill (Irish: ''Niall Mór Ó Néill'') was a lord of Clandeboye in medieval Ireland. He succeeded his father, Conn O'Neill, to the lordship after his death in 1482. He reigned until his own death in 1512, after which he was succeede ...

, he succeeded his father to the kingship of Clandeboye after his death in 1512. He reigned until his own death in 1524 at the hands of the Cenel Conaill, after which he was succeeded by his brother Brian Ballagh II O'Neill. His daughter, Mary, married Conn Bacagh O'Neill,

king of Tyrone This article lists the rulers of Tyrone (Irish: ''Tír Eoghain'') from 1185 to 1616. They are listed from their date of accession to date of death, unless otherwise stated. Prior to this, the ruling dynasty - the Cenél nEógain - were most of th ...

, of which one of their sons was Shane O'Neill.''The Irish Law of Kingship, with Special Reference to Ailech and Cenél Eoghain''. James Hogan. Proceedings of the Royal Irish Academy: Archaeology, Culture, History, Literature Vol. 40 (1931/1932), pp. 186-254 (103 pages). Pg. 237

References

Clandeboye 16th-century Irish monarchs O'Neill dynasty {{Ireland-noble-stub