Mathilde de Morny (26 May 1863 – 29 June 1944) was a French aristocrat and artist. Morny was also known by the nickname "Missy" or by the artistic pseudonym "Yssim" (an anagram of Missy), or as "Max", "Uncle Max" (French: Oncle Max), or "Monsieur le Marquis". Active as a sculptor and painter, Morny studied under Comte Saint-Cène and the sculptor Édouard-Gustave-Louis Millet de Marcilly.
Jane Avril (9 June 1868 – 17 January 1943) was a French can-can dancer made famous by Henri de Toulouse-Lautrec through his paintings. Extremely thin, "given to jerky movements and sudden contortions", she was nicknamed La Mélinite, after an explosive.
Marc-André Raffalovich (11 September 1864 – 14 February 1934) was a French poet and writer on homosexuality, best known today for his patronage of the arts and for his lifelong relationship with the English poet John Gray.
Herculine Adélaïde Barbin, later known as Abel Barbin (November 8, 1838 – February 1868), was a French intersex person who was assigned female at birth and raised in a convent, but was later reclassified as male by a court of law, after an affair and physical examination. She is known for her memoir, Herculine Barbin, which was studied by Michel Foucault. Her birthday is marked as Intersex Day of Remembrance.