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Male Toirrdelbach O'Brien Click to view Toirrdelbach O'Brien in the family tree

Toirrdelbach was born about 1010.  Toirrdelbach's father was Teige Terence O'Brien and his mother was More O'Mulloy.  His paternal grandparents were Brian Boroimhe and Gormflaiyh of Nass; his maternal grandmother was Bridget Giolla.  He was an only child.  He died on July 14th, 1086.


Toirrdelbach's first family with Dearbforgail of Ossory

They had a son named Muirchertach II.


Toirrdelbach's second family with Gormlaith O'Fogurty

They had a daughter named Dearbforgail of.

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