Murtagh Dulenagh 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 ...

: ''Muirchertach Duileanach Ó Néill'') was a lord 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 brother,

Niall Oge O'Neill Niall Oge O'Neill (Irish: ''Niall Óg Ó Néill'') was a lord of Clandeboye in medieval Ireland. A son of Niall Mór O'Neill, he succeeded his brother, Phelim Bacagh O'Neill, to the lordship of Clandeboye after his death in 1533. He reigned unti ...

, to the lordship of Clandeboye after his death in 1537. His hold over Clandeboye was gradually weakened by his nephews, the sons of Niall Oge and

Phelim Bacagh O'Neill Phelim Bacagh O'Neill (Irish: ''Feidhlimidh Bacach Ó Néill'') was a lord of Clandeboye in 15th-century medieval Ireland. A son of Niall Mór O'Neill, he succeeded his brother Brian Ballagh II to the lordship after his death in 1529. He reigne ...

. By 1533 he was lord of Clandeboye in name only as his rivals had divided the majority of Clandeboye between them founding the lordships of

Lower Lower may refer to: *Lower (surname) *Lower Township, New Jersey *Lower Receiver (firearms) *Lower Wick Lower Wick is a small hamlet located in the county of Gloucestershire, England. It is situated about five miles south west of Dursley, eight ...

and Upper Clandeboye. Despite having eight "tall sons", they could only muster twenty-four horsemen between them. As such he was the last of the family to be lord over the entirety of Clandeboye. O'Neill died after 1556, however as a sign of how far his stock had fallen his death was not recorded. His epithet of ''Duileanach'' suggests that he may have been fostered by the O'Doolan's found in what is now the barony of Castlereagh, which was within the Clandeboy domain.

Issue and progeny

O'Neill was married to Margaret O'Byrne of Wicklow and had a son called Daniel (Domhnall), ancestor of the Portuguese branch of the family, who, as descendants of the last sovereign King of Clandeboye have claimed the tites of The O'Neill Clandeboye and Prince of Clandeboye (supported by several European countries). Another son, Hugh (Aodh Buidhe), along with his family retained some land until the seventeenth-century around

Toome Toome or Toomebridge () is a small village and townland on the northwest corner of Lough Neagh in County Antrim, Northern Ireland. It lies in the civil parish of Duneane in the former barony of Toome Upper, and is in the Antrim and Newtownabbe ...

in south-west modern-day

County Antrim County Antrim (named after the town of Antrim, ) is one of six counties of Northern Ireland and one of the thirty-two counties of Ireland. Adjoined to the north-east shore of Lough Neagh, the county covers an area of and has a population o ...

Northern Ireland Northern Ireland ( ga, Tuaisceart Éireann ; sco, label= Ulster-Scots, Norlin Airlann) is a part of the United Kingdom, situated in the north-east of the island of Ireland, that is variously described as a country, province or region. Nort ...

. *Aodh Buidhe McMurtagh O'Neill **Niall McHugh O'Neill (died 1618) — implicated in Tyrone's Rebellion ***Art Oge O'Neill (died 1 January 1661) — member of the

Irish Confederacy Confederate Ireland, also referred to as the Irish Catholic Confederation, was a period of Irish Catholic self-government between 1642 and 1649, during the Eleven Years' War. Formed by Catholic aristocrats, landed gentry, clergy and military ...

*Niall O'Neill *Domhnall O'Neill **Conn Buidhe O'Neill ***Féilim Dubh O'Neill ****Ever O'Neill — Colonel in

Irish Confederate The Irish Confederation was an Irish nationalist independence movement, established on 13 January 1847 by members of the Young Ireland movement who had seceded from Daniel O'Connell's Repeal Association. Historian T. W. Moody described it as "th ...

Army ***** Felix O'Neill (died 11 September 1709) — Officer in Army of James II and for France ******

Conn Ó Néill Conn Ó Néill (sometimes anglicised as Con or Constantine O'Neill) was the titular head of the Clandeboye O'Neill dynasty. Life He was born in the Parish of Saint Catherine, Dublin, the only son and successor of the previous Head of the House, P ...

******* João O'Neill (died 21 January 1788) — lived in

Portugal Portugal, officially the Portuguese Republic ( pt, República Portuguesa, links=yes ), is a country whose mainland is located on the Iberian Peninsula of Southwestern Europe, and whose territory also includes the Atlantic archipelagos of ...

References

External links

The Peerage
Clandeboye 16th-century Irish people O'Neill dynasty {{Ireland-noble-stub