John Mór Tanister Chief of Clan MacDonald (d. 1427) Parents John of Islay Margaret Stewart Children Domhnall Ballach Ranald Bane MacDonald Siblings Domhnall of Islay Mary MacDonald Ranald MacDonald Agnes of the Isles Elizabeth MacDonald Elizabeth Macdonald Marcus MacDonald Alistair Carragh Macdonald Angus MacDonald Iain Macdonald Godfrey Macdonald Hugh MacDonald, Thane of Glen Tilt Partners Margery Byset