Charles William Henry Montagu-Scott, 4th Duke of Buccleuch and 6th Duke of Queensberry, KT, styled Earl of Dalkeith until 1812, was a British landowner, amateur cricketer and Tory politician.

Henry Scott, 3rd Duke of Buccleuch and 5th Duke of Queensberry KG FRSE was a Scottish nobleman and long-time friend of Sir Walter Scott. He is the paternal 3rd great-grandfather of Princess Alice, Duchess of Gloucester, and the maternal 4th great-grandfather of Prince William of Gloucester and Prince Richard, Duke of Gloucester.