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
James Douglas, Lord of Douglas James Douglas, Lord of Douglas Sir James Douglas (also known as Good Sir James and the Black Douglas) (c. 1286 – 25 August 1330) was a Scottish knight and feudal lord. He was one of the chief commanders during the Wars of Scottish Independence. He was the eldest son of Sir William Douglas, known as "le Hardi" or "the bold", who had been the first noble supporter of William Wallace (the elder Douglas died circa 1298, a prisoner in the Tower of London). His mother was Elizabeth Stewart, the daughter of Alexander Stewart, 4th High Steward of Scotland, who died