 Finally Cú Chulainn, despite the suspicions of his wife Emer that the boy is his own son, fights him and kills him with the Gáe Bulg, a barbed spear the use of which the warrior woman Scáthach taught only to him.Finally, the grief-stricken Cú Chulainn recognises Connla as his son.The text is dated to the late ninth or early tenth century, and is found in the Yellow Book of Lecan, a manuscript of the 15th century.