David Harrington Angus Douglas, 12th Marquess of Queensberry was an Anglo-Scottish aristocrat and pottery designer. He was the elder son of Francis Douglas, 11th Marquess of Queensberry, and his only son by his second wife, artist Cathleen Sabine Mann. His maternal grandparents were an interior decorator, Dolly Mann and artist Harrington Mann. He succeeded his father in 1954.
- Occupation
- politician, ceramicist
- Position held
- member of the House of Lords
- Citizenship
- United Kingdom
- Born
- December 19, 1929