William Henry Walter Montagu-Douglas-Scott 6th Duke of Buccleuch and Queensberry

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, as well as the maternal great-grandfather of Prince William of Gloucester and Prince Richard, Duke of Gloucester, and a great-great-grandfather of Sarah, Duchess of York. -Wikipedia