The Duke of Queensberry is a title in the peerage of Scotland, created in 1707. The title is associated with the Queensberry family, which has a long history in Scottish nobility. The first Duke, William Douglas, was a prominent figure in Scottish politics and served as a supporter of the Union of Scotland and England. The current Duke of Queensberry, as of 2023, is David Douglas-Hamilton, who holds the title as part of the Scottish nobility. The family has been involved in various cultural and political activities throughout history, contributing to the heritage of Scotland.