Catha-r , King of Leinster Mar 
He had a biological son named Fiachu Ba hArccid mac Cathair.
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Personal Details
Catha-r , King of Leinster Mar
Catha-r , King of Leinster was born in 0336. He died at the age of 44 in 0380.
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Children
Fiachu Ba hArccid mac Cathair Mar
Fiachu Ba hArccid mac Cathair was born about 0366. He died about 0416.