John Erskine, 5th Lord Erskine
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John Erskine, 5th Lord Erskine (died 1552) was a Scottish nobleman who was de jure but not de facto Earl of Mar. He was succeeded as Lord Erskine by his son John (who was later made Earl of Mar de facto as well as de jure).
His children also included Margaret Erskine, a mistress of King James V of Scotland.