Morough O'Brien

Morough was born about 0975 in of Leinster, Ireland.¹   Morough's father was Brian Bruma macCenntig and his mother was Gormflaeth ingen Murchada MacFinn.  His paternal grandfather was Cenntig of Thomond; his maternal grandparents were Morugh MacFinn and daughter O'Ruarc. He had three brothers and a sister, named Domnall Ban, Murchad, Teige Terence and Slani ingen Briain. He had six half-brothers named Dubgall, Glniarainn Jnkn, Gofraid, Harald, Ragnall and Sihtric Silkbeard.