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The title of Earl of Mount Edgcumbe was created in the Peerage of Great Britain in 1789.
The Earl holds the subsidiary titles of Viscount Mount Edgcumbe and Valletort (1781) and Baron Edgcumbe of Mount Edgcumbe (1742). both in the Peerage of Great Britain. The heir-apparent uses the courtesy title of Viscount Valletort
Barons Edgcumbe (1742)
Earls of Mount Edgcumbe (1789)

