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In page Mary Stewart, Countess of Arran:

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Mary was born at Stirling Castle on 13 May 1453, the eldest daughter of James II of Scotland and Mary of Guelders. She had five siblings, including James III, who ascended the Scottish throne in 1460 upon their father's accidental death by an exploding cannon.[citation needed] Mary's mother died in 1463, leaving her an orphan at the age of ten.