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
Alfred Douglas Hardy Alfred Douglas Hardy Alfred Douglas Hardy (1870 – 1958) was an Australian amateur collector of freshwater algae specimens. He worked as a draftsman and botanical officer for the Victorian Forest Commission until his retirement in 1936. He was also an amateur naturalist, initially with wide interests but later specialising in freshwater algae. He sent many specimens to George S. West, some of which were described as new species by West. In 1909, West published a major paper on the freshwater algae of Yan Yean Reservoir, based entirely upon specimens collected by Hardy. One of the new species published therein was