Muirchertach Ua Briain

High King of Ireland (1050–1119)

Parents

• Dearbforgail, of Ossory
• Toirdelbach Ua Briain

Children

• Mahon O'Brien, Prince of Corkobaskin
• Lafracoth O'Brien
• Domnall Gerrlámhach
• Bjaðmunjo Mýrjartaksdóttir

Siblings

• Diarmait Ua Briain