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Diarmait Mac Murchada, King of Leinster

Diarmait Mac Murchadha
The King of Leinster
Dermot Mac Murrough.JPG
Diarmuid Mac Murchadha
King of Leinster in Ireland
Reign 1126–1171
Predecessor Enna mac Donnchada Mac Murchada
Successor Domhnall Caomhánach mac Murchada
Born c. 1110
Leinster, Ireland
Died c. 1 May 1171
Burial Ferns, County Wexford
Spouse
Issue
  1. Órlaith (c.1138)
  2. Domhnall (c.1140)
  3. Énna (c.1142)
  4. Aoife (b.1145)
  5. Conchobar
Father Donnchad mac Murchada
Mother Orlaith ingen O'Braenain

Diarmait Mac Murchada (Modern Irish: Diarmaid Mac Murchadha), anglicised as Dermot MacMurrough, Dermod MacMurrough, Dermot MacMorrogh or Dermot MacMorrow (c. 1110 – c. 1 May 1171), was a King of Leinster in Ireland. In 1167, he was deprived of his kingdom by the High King of IrelandRuaidri Ua Conchobair (Rory O'Connor). The grounds for the dispossession were that Mac Murchada had, in 1152, abducted Derbforgaill, the wife of the King of Breifne, Tiernan O'Rourke (Irish: Tighearnán Ua Ruairc). To recover his kingdom, Mac Murchada solicited help from the King of England Henry II of England. His issue unresolved, he gained the military support of the Earl Richard de Clare, the 2nd Earl of Pembroke (nicknamed "Strongbow"), who was in opposition to Henry II due to his support for Stephen, King of England against Henry's mother in The Anarchy. In exchange for his aid, Strongbow was married to Mac Murchada's daughter Aoife and promised succession to the Kingship of Leinster. Henry II then mounted a larger second invasion in 1171 to ensure his control over Strongbow, resulting in the Norman Lordship of Ireland. Mac Murchada was later known as Diarmait na nGall (Irish for "Diarmait of the Foreigners").


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