Career
In addition to the Ally Sloper comic strips, Duval produced numerous spot illustrations, cartoons and full page comic strips for the magazine during the mid-nineteenth century. When the Ally Sloper character was given his own magazine, Duval"s comic strips were reprinted without her signature. Duval was also an actress in the English theatre and the author of Queens and Kings and Other Things (1874), a collection of illustrated nonsense verse published under the pseudonym of Princess Hesse Schwartzbourg.