In her teens, Gosselin, without formal training, began her cartooning career, publishing minicomics and adopting the name Geneviève Castrée.

[2][3] Gosselin had a troubled relationship with her mother, experiencing both a deep connection and feelings of alienation and belittlement.

The release marked her first major movement to integrate her music and visual art into one cohesive practice.

[2][6] It was released to critical acclaim and saw her achieve international success, as well as helping her feel "unburdened" by her memories of her mother.

[7][8] In 2015, Maman Sauvage, a book of poems in French detailing Castrée's feelings as a mother, was published by L'Oie de Cravan under the name Geneviève Elverum.

[2] In 2017, her final book, A Bubble, was posthumously published by Drawn & Quarterly, having been completed by her husband, Phil Elverum, and Portland artist Anders Nilsen.

[5][8] They were initially wary about finishing it but concluded that it would be better for the book to be in a state of "easy readability rather than burden it with the awkward unfinished look, too cloaked in its context to be functional as a standalone thing.

[5] Her final release under the Woelv name came in 2007 as Tout seul dans la forêt en plein jour, avez-vous peur?

[13] Castrée also made appearances on recordings by Mount Eerie, Thanksgiving, Karl Blau,[14] D+[15] and Aidan Baker.

[2] Castrée's literary work often dealt with topics such as loyalty, her relationship with her parents and childhood abuse.

[2][3] Her work featured a meticulous folk art style that made heavy use of vibrant color.

[3] Castrée was married to musician Phil Elverum, who has released music as the Microphones and Mount Eerie.

They originally intended to move to Canada but after searching for residency decided to remain in the United States, in the town of Anacortes, Washington, where Elverum grew up.

[18] Her husband soon posted an update: "She died at home with me and her parents holding her, hopefully having reached some last minute peace".

[23] Her widower, Phil Elverum, released three albums under his Mount Eerie project – A Crow Looked at Me, Now Only and Lost Wisdom pt.