About Jean IV de Rieux
Lived 1447 – 1518 (aged 70). Jean IV de Rieux was a soldier.
Jean IV de Rieux (June 27, 1447 – February 9, 1518), was a Breton noble and Marshal. He was the son of Jean III de Rieux and Béatrice de Rohan-Montauban (1385–1414).
He ruled Brittany as regent of Anne of Brittany.
He is best known for being the commander of the Breton army against King Charles VIII of France, which ended in a crushing defeat at the Battle of Saint-Aubin-du-Cormier (1488).
He was also Count of Aumale and Count of Harcourt.
He married Isabelle de Brosse (died 1527), daughter of Jean III de Brosse, Comte de Penthièvre.
Renée de Rieux, La Belle Châteauneuf, was one of his descendants.
Don’t just read it —
keep it.
Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.
- E-book
- Audio
- Video
Instant download · yours to keep · every purchase keeps this site free
Important facts
People in Jean IV de Rieux's life
Named in this biography and alive at the same time
Related people
Same field, nearest in time
Contemporaries
People whose lives overlapped Jean IV de Rieux's
Frequently asked questions
Who was Jean IV de Rieux?
Breton noble and Marshal
When was Jean IV de Rieux born?
Jean IV de Rieux was born on 6 July 1447.
When did Jean IV de Rieux die?
Jean IV de Rieux died on 19 February 1518.
What was Jean IV de Rieux's occupation?
Jean IV de Rieux was a soldier.
What nationality was Jean IV de Rieux?
Jean IV de Rieux's recorded nationality: Brittany.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Jean IV de Rieux. https://biography.guide/jean-iv-de-rieux/
MLA: "Jean IV de Rieux." Biography.guide, https://biography.guide/jean-iv-de-rieux/.
Chicago: "Jean IV de Rieux." Biography.guide. https://biography.guide/jean-iv-de-rieux/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
Portrait: Wikimedia Commons · author & licence
Page generated 2026-09-27 04:57 UTC