Lord Francis Douglas Marquess of Queensberry; a younger brother, Lord Archibald Edward Douglas (1850–1938), who became a clergyman; and a younger brother and sister, the twins Lord James Douglas (d. 1891) and Lady Florence Douglas (1855–1905), who married Sir Alexander Beaumont Churchill Dixie, 11th Baronet. He was an uncle of Oscar Wilde's lover Lord Alfred Douglas, and a younger brother of John Douglas, 9th Marquess of Queensberry. In 1858, Douglas's father, Lord Queensberry, died in what was reported as a shooting accident, but his death was widely believed to have been suicide. In 1862, his mother, Lady Queensberry, converted to Roman Catholicism and
Lord Alfred Douglas Ross. During the trial he described Wilde as "the greatest force for evil that has appeared in Europe during the last three hundred and fifty years".Douglas added that he intensely regretted having met Wilde, and having helped him with the translation of "Salome", which he described as "a most pernicious and abominable piece of work". In 1920 Douglas founded a right-wing, Catholic, and "deeply anti-Jewish" weekly magazine called "Plain English", on which he collaborated with Harold Sherwood Spencer, and to begin with Thomas William Hodgson Crosland. It regarded itself as the successor to "The Academy", to which Douglas had been