Dukes in the United Kingdom
Duke, in the United Kingdom, is the highest-ranking hereditary title in all four peerages of the British Isles. A duke thus outranks all other holders of titles of nobility (marquess, earl, viscount and baron).
Baron Teynham
Baron Teynham, of Teynham in the County of Kent, is a title in the Peerage of England and the Peerage of the United Kingdom. It was created in 1616 for Sir John Roper. His great-great-grandson, the fifth Baron, served as Lord Lieutenant of Kent. The latter's third son, the eighth Baron, married, as his second wife, Anne Barrett-Lennard, 16th Baroness Dacre. His eldest son from this marriage, the Hon. Charles Roper, was the father of Trevor Charles Roper, 18th Baron Dacre, and Gertrude Trevor Roper, 19th Baroness Dacre (see the Baron Dacre for more information). His youngest son from this marriage, Reverend Hon. Richard Henry Roper, was the great-great-great-grandfather of the historian Hugh Trevor-Roper, Baron Dacre of Glanton.