Jean IV de Rieux
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.
Renée de Rieux, La Belle Châteauneuf, was one of his descendants.
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