In 1854, near Fort Union, she was killed by a Gros Ventre party.

She was approximately forty-eight years old.

The people she was trying to make peace with killed her.

Edwin Denig’s Portrait

Before her death, Edwin Denig had been working on a biographical account of her life.

His notes and writings on Woman Chief were eventually published as part of a larger work on the tribes of the upper Missouri — a document that has been enormously valuable to historians precisely because Denig wrote from direct observation rather than from rumor or imagination.

Denig’s portrait of Woman Chief is one of the most unusual documents in the literature of the American West.