Chaldean Catholic Eparchy of Seert
He was succeeded by the Rabban Hormizd monk Mikha'il Kattula of Telkepe, one of the many opponents of Yohannan VIII Hormizd, who was consecrated in 1826 by Joseph V. He died in 1855 and was buried in the monastery of Mar Yaqob.
Gormflaith ingen Flann Sinna
Cormac was killed at the battle of Bealach Mugna in 908 by an alliance of Flann Sinna of Tara and Cerball mac Muirecáin, King of Leinster. Flann afterwards married Gormflaith to Cerball, who is alleged (according to a text in the Book of Leinster) to have abused her so much that she was forced to return to her father at least once.