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.
She was the daughter of Breton-language writer Eugene Coroller, friend of Theodore Hersart of Villemarqué. Born in Mordelles in 1892, she married Rene Chassin du Guerny in 1924, with whom she had six children.
Literary career
A traditionalist Catholic and talented writer, she published the nationalistic History of our Brittany in 1922, which was illustrated by Jeanne Malivel, inspiring the foundation of Seiz Breur, the nationalist movement in Breton art and literature. In 1929, she published the Mystery of Brittany, which was dramatised in the Abbe Perrot's Breton language translation at a Bleun-Brug festival in Douarnenez in front of nearly 10,000 people.In 1940, she contributed to the children's journal Ôlolé which published The Wolves of Coatmenez, followed shortly by Crusade of the Wolves.