Marquess of Queensberry is a title in the Peerage of Scotland. The title has been held since its creation in 1682 by a member of the Douglas family. The Marquesses also held the title of Duke of Queensberry from 1684 to 1810, when it was inherited by the Duke of Buccleuch.
Memorial plaques at the Douglas Family Mausoleum, Cummertrees Parish Church
The Queensberry Monument Dumfries
Clan Douglas is an ancient clan or noble house from the Scottish Lowlands.
Ruin of Douglas Castle, South Lanarkshire
Douglas Water (dubh glass, the dark stream)
Seal of William Douglas the Hardy
Tantallon Castle, seat of the "Red Douglases" 1389−1699