Jeanne Coroller-Danio was a Breton nationalist and writer. She is also known as Jeanne Coroller (her maiden name) and Jeanne Chassin du Guerny (her married name). 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

Breton language

Breton is a Celtic language spoken in Brittany , France. Breton is a Brythonic language, descended from the Celtic British language brought from Great Britain to Armorica by migrating Britons during the Early Middle Ages. Like the other Brythonic languages, Welsh and Cornish, it is classified as...

 writer Eugene Coroller (1857-1923), friend of Theodore Hersart of Villemarqué

Theodore Claude Henri, Vicomte Hersart de la Villemarque

Théodore Claude Henri, vicomte Hersart de la Villemarqué was a French philologist and man of letters.-Biography:La Villemarqué was born in Quimperlé, Finistère on 6 July 1815. He was descended from an old Breton family, which counted among its members a Hersart who had followed Saint Louis to the...

. Born in Mordelles

Mordelles

Mordelles is a commune in the Ille-et-Vilaine department in Bretagne in north-western France.-Demographics:Inhabitants of Mordelles are called Mordelais.-References:* ;* -External links:* *...

 in 1892, she married Rene Chassin du Guerny in 1924, with whom she had six children.

Literary career

A traditionalist Catholic

Traditionalist Catholic

Traditionalist Catholics are Roman Catholics who believe that there should be a restoration of many or all of the liturgical forms, public and private devotions and presentations of Catholic teachings which prevailed in the Catholic Church before the Second Vatican Council...

 and talented writer, she published the nationalistic History of our Brittany in 1922, which was illustrated by Jeanne Malivel

Jeanne Malivel

Jeanne Malivel was a Breton designer and illustrator who inspired the Breton nationalist art movement Seiz Breur.Originally from Loudéac, she revived the art of woodblock printing in her illustrations for the Breton nationalist book The History of our Brittany by Jeanne Coroller-Danio in 1922...

, inspiring the foundation of Seiz Breur

Seiz Breur

Seiz Breur was an artistic movement founded in 1923 in Brittany. Although it adopted the symbolic name seiz breur, meaning seven brothers in the Breton language, this did not refer to the number of members, but to the title of a folk-story...

, the nationalist movement in Breton art and literature. In 1929, she published the Mystery of Brittany, which was dramatised in the Abbe Perrot

Jean-Marie Perrot

The abbé Jean-Marie Perrot, in Breton Yann Vari Perrot , was a French priest, Breton independentist and collaborator assassinated by the communist resistance. He was the founder of the Breton Catholic movement Bleun-Brug.- Early life :Perrot was raised in a provincial Breton-speaking family...

's Breton language translation at a Bleun-Brug

Bleun-Brug

Bleun-Brug is a Catholic association oriented towards Breton nationalism.-Origins:The group was created in 1905 by abbé Jean-Marie Perrot, with a name devised at the 1905 conference of the Union Régionaliste Bretonne at Kerjean Castle. The heather symbolizes Breton tenacity...

 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 (1941), followed shortly by Crusade of the Wolves (1943).

Collaborationism and death

During World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 she was associated with the pro-Nazi faction of Célestin Lainé

Célestin Lainé

Célestin Lainé was a Breton nationalist and collaborator during the Second World War who led the SS affiliated Bezen Perrot militia. His Breton language name is Neven Hénaff. He was a chemical engineer by training. After the war he lived in Ireland.- Breton terrorism :He was born in 1908 in Nantes...

, whose Breton militia she supported. Her chateau also quartered the Bagadou Stourm (Breton nationalist stormtroopers). As a member of Lainé's faction she was kidnapped by a Maquis

Maquis (World War II)

The Maquis were the predominantly rural guerrilla bands of the French Resistance. Initially they were composed of men who had escaped into the mountains to avoid conscription into Vichy France's Service du travail obligatoire to provide forced labour for Germany...

 group in 1944 and was stabbed and beaten to death. Her death caused considerable debate, since she had not been directly involved with anti-Resistance activity. Plaid Cymru

Plaid Cymru

' is a political party in Wales. It advocates the establishment of an independent Welsh state within the European Union. was formed in 1925 and won its first seat in 1966...

the Welsh nationalist party in Britain, protested that French anti-Bretonism lay behind the killing rather than anti-Nazism.