Donnchad Donn mac Flainn

  • d. 944
  • kings
High-king of Ireland from the Clann Cholmáin branch of the southern Uí Néill, son of Flann Sinna.

See also: Clann CholmáinClann Cholmáin
Early Irish dynasty of the southern Uí Néill who provided kings of Mide; claimed descent from Colmán Mór mac Díarmata meic Cerbaill.
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Flann Sinna mac Maíle SechnaillFlann Sinna mac Maíle Sechnaill
(d. 916)
Flann Sinna, Flann mac Máele Sechnaill
Flann Sinna (‘of the Shannon’), son of Máel Sechnaill mac Máele Ruanaid; was high-king of Ireland from the Clann Cholmáin, the leading branch of the southern Uí Néill.
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Secondary sources (select)

Reference works
McGuire, James [ed.], and James Quinn [ed.], Dictionary of Irish biography, online ed. (2009), Online: Royal Irish Academy; Cambridge University Press. URL: <>.
MacShamhráin (Ailbhe) [id. dib.002691.v1. ‘Donnchad Donn’] direct link
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February 2022, last updated: May 2022