Jeanne Coroller-Danio

Jeanne Coroller-Danio was a Breton nationalist and writer. She is also known as Jeanne Coroller and Jeanne Chassin du Guerny. Her best-known pen-name was Danio, but she published her work under various pseudonyms: J.C. Danio, Jeanne de Coatgourc'han, Gilles Gautrel and Gilesse Penguilly.