Donnchad mac Briain, King of Munster

982 - 1064  (82 years)

• Name	Donnchad mac Briain  [1, 2, 3, 4]
  Suffix	King of Munster
  Birth	Abt. 982  [2]
  Gender	Male
  Also Known As	Donnchad mac Briain  [1, 2]
  Also Known As	Donnchad mac Brian  [2]
  Title	King of Munster  [2]
  Death	1064	Rome, Roma, Lazio, Italy   [2]
  Burial	1064	Santo Stefano al Monte Celio, Rome, Roma, Lazio, Italy   [2]
  Person ID	I18	O'Brien Genealogy
  Last Modified	22 May 2026

  
  

  Father	Brian Boru, High King of Ireland,   b. Abt. 941, Kincora, Killaloe, Clare, Ireland d. 23 Apr 1014, Clontarf, Dublin, Ireland (Age 73 years)
  Mother	Gormflaith ingen Murchad,   b. Naas, Kildare, Ireland
  Family ID	F3	Group Sheet  |  Family Chart

  
  

  Family 1	Cacht ingen Ragnaill, Queen of Ireland,   b. Abt. 1110   d. 1054
  Marriage	1032  [3]
  Children	+ 1. Lorcan O'Brien,   b. Abt. 1033
  Family ID	F39	Group Sheet  |  Family Chart
  Last Modified	22 May 2026

  
  

  Family 2
  Children	1. Murchad O'Brien   2. Derbforgaill O'Brien
  Family ID	F41	Group Sheet  |  Family Chart
  Last Modified	22 May 2026

  
  

• Sources

  [S2] Wikipedia Contributors, Wikipedia: The Free Encyclopedia, "Tadc mac Briain," https://en.wikipedia.org/wiki/Tadc_mac_Briain, (San Francisco, CA: Wikimedia Foundation, Inc.). [S10] Wikipedia Contributors, Wikipedia: The Free Encyclopedia, "Donnchad mac Briain," https://en.wikipedia.org/wiki/Donnchad_mac_Briain, (San Francisco, CA: Wikimedia Foundation, Inc.). [S11] Wikipedia Contributors, Wikipedia: The Free Encyclopedia, "Cacht ingen Ragnaill," https://en.wikipedia.org/wiki/Cacht_ingen_Ragnaill, (San Francisco, CA: Wikimedia Foundation, Inc.). [S14] Wikipedia Contributors, Wikipedia: The Free Encyclopedia, "O'Brien dynasty," https://en.wikipedia.org/wiki/O'Brien_dynasty, (San Francisco, CA: Wikimedia Foundation, Inc.).