Bjaðmunjo O'Brien

• Name	Bjaðmunjo O'Brien  [1, 2]
  Gender	Female
  Also Known As	Biaðmynio d Myriartak  [2]
  Also Known As	Bjaðmunjo Mýrjartaksdóttir  [2]
  Also Known As	Blathmin
  Also Known As	Blathmuine ingen Muirchertach  [2]
  Person ID	I32	O'Brien Genealogy
  Last Modified	22 May 2026

  
  

  Father	Murtaugh O'Brien, High King of Ireland,   b. Abt. 1050   d. Abt. 10 Mar 1119 (Age 69 years)
  Mother	Derb Forgaill ingen Lethlobair
  Family ID	F17	Group Sheet  |  Family Chart

  
  

  Family	Sigurd Magnusson, King of Norway,   b. Abt. 1090
  Marriage	1102  [2]
  Family ID	F18	Group Sheet  |  Family Chart
  Last Modified	22 May 2026

  
  

• Sources

  [S4] Wikipedia Contributors, Wikipedia: The Free Encyclopedia, "Muirchertach Ua Briain," https://en.wikipedia.org/wiki/Muirchertach_Ua_Briain, (San Francisco, CA: Wikimedia Foundation, Inc.). [S6] Wikipedia Contributors, Wikipedia: The Free Encyclopedia, "Bjaðmunjo Mýrjartaksdóttir," https://en.wikipedia.org/wiki/Bjaðmunjo_Mýrjartaksdóttir, (San Francisco, CA: Wikimedia Foundation, Inc.).