Jean IV de Rieux, was a Breton noble and Marshal.
He was the son of Jean III de Rieux and Béatrice de Rohan-Montauban.
He ruled Brittany as regent of Anne of Brittany. Wikipedia
Born: June 27, 1447
Died: February 9, 1518 (age 70 years)
Parents: Francis de Rieux and Jeanne de Rohan
Grandchildren: La Belle Châteauneuf, Louise de Rieux, Guyonne de Laval, and more
Grandparents: Jeanne of Harcourt, Jean III, Seigneur de Rieux et de Rochefort, Alain IX de Rohan, and more
Great grandchildren: Guy de Rieux, marquis de Sourdeac, Jeanne de Rieux, Comtesse de Dinan, dame de la Bellière, Madeleine de Rieux, and more
Great-grandparents: Jean II de Rieux, John IV, Duke of Brittany, John VII, Count of Harcourt, and more