William Shakespeare | William Laud | Douglas MacArthur | William Blake | Sir | William | William III of England | William Morris | William McKinley | William Howard Taft | William Ewart Gladstone | William the Conqueror | William S. Burroughs | Sir Walter Scott | William Shatner | William Faulkner | William Randolph Hearst | Douglas | Douglas DC-3 | William Wordsworth | William Tecumseh Sherman | William Hogarth | Prince William, Duke of Cambridge | baronet | Douglas Adams | Baronet | William Penn | William Jennings Bryan | William Gibson | William Wilberforce |
His father, William Harcourt Isham Mackworth (1806—1872), a younger son of Sir Digby Mackworth, the 3rd Baronet, took the additional surname Dolben after he married Frances, the heiress of Sir John English Dolben, the 4th Baronet.
Lockerbie House was built for Sir William Douglas, his wife Dame Grace Johnstone and their children, of whom the eldest, Charles, succeeded as 6th Marquess of Queensberry.