High Quality Content by WIKIPEDIA articles! Duke of Manchester is a title in the Peerage of Great Britain. It was created in 1719 for the politician Charles Montagu, 4th Earl of Manchester. He notably served as Secretary of State for the Southern Department. The Montagu family descends from Sir Edward Montagu, Lord Chief Justice of the King's Bench and Chief Justice of the Common Pleas. His son Sir Henry Montagu also served as Lord Chief Justice of the King's bench as well as Lord High Treasurer of England and Lord Privy Seal. In 1620 he was raised to the Peerage of England as Baron Kimbolton, of Kimbolton in the County of Huntingdon, and Viscount Mandeville. In 1626 he was further honoured when he was made Earl of Manchester, also in the Peerage of England. His son, the second Earl, was a prominent Parliamentary General during the Civil War but later supported the restoration of Charles II. His son, the third Earl, represented Huntingdonshire in the House of Commons. His son wasthe aforementioned fourth Earl, who was created Duke of Manchester in 1719. He was succeeded by his eldest son, the second Duke.