Mar, John Erskine, 6th earl of

Mar, John Erskine, 6th (or 11th) earl of,

1675–1732, Scottish nobleman, leader of the JacobitesJacobites
, adherents of the exiled branch of the house of Stuart who sought to restore James II and his descendants to the English and Scottish thrones after the Glorious Revolution of 1688. They take their name from the Latin form (Jacobus) of the name James.
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. He was nicknamed "Bobbing John," probably because of his political vacillation. He succeeded his father as earl in 1689 and in the following years was generally a member of the court party. He was twice secretary of state for Scotland under Queen Anne and played a leading part in promoting the union (1707) with England. After the accession (1714) of George I, he made an effusive offer of his services but was dismissed. He then withdrew secretly to Scotland, where he raised (1715) the standard for James Francis Edward StuartStuart or Stewart, James Francis Edward,
1688–1766, claimant to the British throne, son of James II and Mary of Modena; called the Old Pretender.
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, the Old Pretender, without orders from him to do so. The rebellion failed, largely through Mar's incompetence. He was defeated at Sheriffmuir and fled (1716) to France with the Pretender. He was attainted of treason in England, but his active dissatisfaction with the Jacobite court and his suspected treachery caused the Pretender also to break with him in 1724. Mar remained in exile until his death.