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 a "roman à clef" based on the relationship of Wilde and Douglas, it would be one of the texts used against Wilde during his trials in 1895. Douglas has been described as spoiled, reckless, insolent and extravagant. He would spend money on men and gambling and expected Wilde to contribute to funding his tastes. They often argued and broke up, but would also always reconcile. Douglas had praised Wilde's play "Salome" in the Oxford magazine, "The Spirit Lamp", of which he was editor (and used as a covert means of gaining acceptance for homosexuality). Wilde had originally written "Salomé" in