The Dukes of Manchester Charles Edward Montagu, 1st Duke of Manchester PC (c. 1662 – 20 January 1722), previously 4th Earl of Manchester William Montagu, 2nd Duke of Manchester, KCB (April 1700 – 21 October 1739) Robert Montagu, 3rd Duke of Manchester was the son of Charles Montagu, 1st Duke of Manchester. He was MP for Huntingdonshire 1734–1739. George Montagu, The 4th Duke of Manchester (1737-1788) William Montagu, The 5th Duke of Manchester (1771-1843) George Montagu, The 6th Duke of Manchester (1799-1855) William Montagu, The 7th Duke of Manchester (1823-1890) George Montagu, The 8th Duke of Manchester (1853-1892) William Montagu, The 9th Duke of Manchester (1877-1947) Alexander Montagu, The 10th Duke of Manchester (1902-1977) Sidney Montagu, The 11th Duke of Manchester (1929-1985) Angus Montagu, The 12th Duke of Manchester (1938-2002) Alexander Montagu Manchester, The 13th Duke of Manchester (2002 to present.