Who dated Christabel Marshall?

Christabel Gertrude Marshall (aka Christopher Marie St John) (24 October 1871 – 20 October 1960) was a British campaigner for women's suffrage, a playwright and author. Marshall lived in a ménage à trois with the artist Clare Atwood and the actress, theatre director, producer and costume designer Edith Craig from 1916 until Craig's death in 1947.

Clare "Tony" Atwood (11 May 1866 – 2 August 1962) was a British painter of portraits, still life, landscapes, interiors and decorative flower subjects. Atwood lived in a ménage à trois with the dramatist Christabel Marshall and the actress, theatre director, producer and costume designer Edith Craig from 1916 until Craig's death in 1947.