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
David Douglas, Lord Reston David Douglas Bannerman David Douglas, Lord Reston Hon David Douglas, Lord Reston FRSE (24 July 1769 – 23 April 1819) was a Scottish judge and a cousin and the heir of Adam Smith. He was born on 24 July 1769, in Strathendry, the fifth and youngest son of Col. Robert Douglas of Strathendry (1716–1803) and Cecilia Craigie, daughter of Robert Craigie, Lord President of the Court of Session. He spent his later childhood with Adam Smith, who was a first cousin of his father, and received Smith's property, including his library, on his death. He attended Edinburgh High School (with