this period in meath history was dominated by the feud between clann cholmáin and síl náedo sláine among the southern ui neill. mael doid's father suibne had been treacherously killed by his uncle áed sláine mac diarmato (died 604) in 600. mael doid's brother conall guthbinn was killed by diarmait mac áedo sláine (died 665) in 635.