William Alexander Louis Stephen Douglas-Hamilton, 12th Duke of Hamilton, 9th Duke of Brandon, 2nd Duke of Châtellerault KT, styled Marquess of Douglas and Clydesdale until 1863, was a Scottish nobleman.
- Occupation
- politician
- Position held
- member of the House of Lords
- Citizenship
- United Kingdom of Great Britain and Ireland
- Born
- March 12, 1845
- Died
