[6] The family properties of Doune Castle and Falkland Palace were captured, and[6] Duke Murdoch and two of his sons were imprisoned and held pending trial.

[6] James marched on the town of Dumbarton, burned it, and killed the keeper of the royal castle there, Sir John Stewart of Dundonald, who was the King's uncle.

As many as 600 members of the clan were forced to flee after the failure of the revolt, exiled to Kintyre and the Isle of Gigha, where they adopted the new name of MacBhreatneaich of M'Vretny ("son of the Briton") .

Later in 1425, pursued by a royal expedition, James fled to Antrim, Ireland, accompanied by the sons of his dead brother Walter, to escape the King's justice.

James Stewart was in line to claim the throne as sole surviving grandson of the Duke of Albany, brother to the late King Robert III.

At some point after she regained her liberty, Isabella brought her young grandchildren, the children of James the Fat, to be raised at her castle at Inchmurrin.