Commentary
Cawley inserts a generation between him and his father: Enna, King of Leinster, d. 1126.
Family
ClaimDetailEvidence
FatherDonnchad mac Murchada, King of Leinster (e1067-1115) [S756] [S2728]
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MotherOrlaith ingen Ua Braenain (e1068-) [S756] [S2728]
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SpouseMor ingen Muirchertaig Ua Tuathail (e1110-) 
Child +Aoife ingen Diarmata Countess of Ireland (e1131-) [S756] [S1006] [S2728]
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Attributes
ClaimDetailEvidence
GenderMale
NameDiarmait mac Murchada , King of Leinster [S756] [S2728]
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NameDermot MacMurrough [S756]
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NameDiarmait , King of Leinster [S1006]
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FatherDonnchad mac Murchada, King of Leinster (e1067-1115) [S756] [S2728]
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MotherOrlaith ingen Ua Braenain (e1068-) [S756] [S2728]
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TitleKing of Ireland [S756]
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Timeline
ClaimDateDetailAgeEvidence
Birth1100Ireland [S756]
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Title1135King of Leinster [S756] [S1006] [S2728]
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Death Jan 1171 - May 1, 1171Fermanagh, Northern Ireland [S756] [S1006] [S2728]
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Sources
IndexTitle
[S756] Weis, Frederick Lewis, "Ancestral Roots of Sixty Colonists Who Came To New England before 1700, 7th Ed." (Genealogical Publishing Co., Inc., Baltimore, 1999).
[S1006] Cawley, Charles, "Foundation of Medieval Genealogy (Medieval Lands - Ireland)" (v4.0 Updated 13 October 2019) (https://fmg.ac/Projects/MedLands/IRELAND.htm).
[S2728] Baldwin, Stewart, "Medieval Genealogy Newsgroup: Eve of Leinster and Radnailt of Dublin" (soc.genealogy.medieval, July 28, 1996 (corrected August 21, 1996)) (https://groups.google.com/d/msg/soc.genealogy.medieval/hki_hNDwY8I/ULhLcNURHRIJ).
Kinship Lines for Diarmait mac Murchada, King of Leinster
Spouse/PartnerDegreeRelationshipMRCA
Mor ingen Muirchertaig Ua Tuathail (e1110-)113rd Cousin 3x removedDonnchad Mael na mBó, King of Ui Cheinnselaig (e970-1006)
Mor ingen Muirchertaig Ua Tuathail (e1110-)114th Cousin 1x removedEchrad ingen Carlusa (e937-)