where they adopted the new name of MacBhreatneaich of M'Vretny ("son of the Briton") . Escape to Ireland James Mor's rebellion was quickly defeated. His father and brothers were found guilty of treason by a jury of knights and peers, and executed after a trial. At a stroke, almost all of James' family was wiped out. Only his mother, Isabella of Lennox survived the insurrection. 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. Few details of his escape survive but it seems likely that he sought assistance from the Campbells of Lochawe, to whom he was closely linked by blood and marriage. James Mor would never return to his native Scotland. He remained an exile in Ireland until his death. His widowed mother and sister remained in Scotland. Claim to the throne 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. Family and legacy In Ireland, James became involved with an unknown woman with the surname MacDonald. Some sources suggest she was one of the daughters of Iain Mòr Tànaiste MacDhòmhnaill, 1st Earl of Antrim, the son of John of Islay, Lord of the Isles and Earl of Ross. James did not marry, but he had seven illegitimate children: James "Beag" Stewart (born c.1424–1470) was able to secure a royal pardon and return to Scotland. He married Annabel Buchanan, daughter of Patrick, 14th Lord of Buchanan, and was granted the estate "Baldorran" from his cousin John Stewart Damby in 1457. He is the ancestor of the Stewarts of Ardvorlich on Lochearnside, whose family history is recounted by Sir Walter Scott in A Legend of Montrose. Murdoch Stewart, born c.1427 in Antrim, Ireland. Arthur Stewart, born c.1429 in Antrim, Ireland. Robert Stewart, born c.1433 in Antrim, Ireland. Matilda Stewart, born c.1435 Alexander Stewart, born c.1437 in Antrim, Ireland. James' mother Isabella of Lennox was imprisoned by King James in Tantallon Castle after the execution of her husband and children. However, in 1437 the King was himself assassinated, and soon afterwards Isabella was released from captivity, eventually recovering her lands and title. In the next few years, although forced to govern her province from her castle at Inchmurrin, Loch Lomond, she issued a large numbers of charters,