Biography
MacDonald was the second son of John of Islay, Lord of the Isles and Princess Margaret Stewart of Scotland, daughter of King Robert II. He is the founder of Clan MacDonald of Dunnyveg. MacDonald was granted 120 merklands in Kintyre, with the castles of Dunaverty, Skipness and Airds and 60 merklands on Islay with the castle of Dunyvaig upon his father's death. Not being satisfied with his inheritance, he led a revolt against his brother Donald of Islay, Lord of the Isles as MacDonald was recognized as the heir-apparent ( tanistry). The rebellion started in 1387 and went on into the 1390s, and MacDonald obtained the support of the powerful Clan MacLean kindred. However, MacDonald and the MacLeans were eventually forced to submit to Dómhnall, and by 1395 MacDonald had been forced to flee into Ireland. There he entered the service of King Richard II of England in Antrim and later King Henry IV. Through his marriage with Margery Byset, a daughter of the MacEoin Bisset, Lord of the Glens, according to MacDonald shanachies he received as the dowry the Glens and Rathlin Island inChildren
* Donald Balloch MacDonald (d. 1476), married Johanna, daughter of Conn O'Neill of Edenduffcarrick * Ranald Bane MacDonald, 1st of Largie, illegitimate son of John Mór Tanister MacDonald and a daughter of Finguine MacKinnon, ("the Green Abbot").Notes
{{DEFAULTSORT:MacDonald, John Mór Tanister 1427 deaths Nobility from Argyll and Bute John John 15th-century Scottish nobility Medieval Gaels Medieval Gaels from Scotland Scottish clan chiefs