The founder of Clan Donald of
Dunyveg was John Mor Tanister MacDonald who was the second son of John
MacDonald also known as Good John of Islay, Lord of the Isles, 6th chief of
Clan Donald and 1st Lord of the Isles through his marriage to Margaret
John Mor Tanister MacDonald
married Margaret Bisset, heiress of the Seven Glens of Antrim. By his
marriage he added these territories in Ireland to those he already possessed
in Islay and Kintyre in Scotland. In Ireland he became the chief of the Clan
MacDonnell of Antrim.
He and his descendants became
known as Lords of Dunnyvaig and the Glens. Their seat in Dunyvaig was on the
Island of Islay and in the Glens they were seated in Antrim.
John Mor was assassinated by
James Campbell in 1427. His son Donald Balloch MacDonald the 2nd chief led
the clan when they fought and won at the first Battle of Inverlochy (1431).
This was in support of their cousin Alexander MacDonald who was chief of
Clan Donald, 3rd Lord of the Isles and the current Earl of Ross. They fought
against the Royal forces of the Earl of Mar who was supported by Clan
Cameron and Clan MacKintosh.
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