His nickname , Muimhnech , indicated that he was fostered in Munster .
Muirchertach was one of over twenty sons sired by King Tairrdelbach of Connacht .
Muirchertach 's nickname , Muimhnech , indicated that he was fostered in Munster .
Muirchertach was one of over twenty sons sired by King Tairrdelbach of Connacht .