About William Montagu Douglas Scott, 6th Duke of Buccleuch
William Henry Walter Montagu Douglas Scott, 6th Duke of Buccleuch and 8th Duke of Queensberry (9 September 1831 – 5 November 1914) was a Scottish Member of Parliament and peer.
He was the paternal grandfather of Princess Alice, Duchess of Gloucester, and the maternal great-grandfather of Prince William of Gloucester and Prince Richard, Duke of Gloucester.
He was a paternal great-great-grandfather to Sarah, Duchess of York.