Renée of France

Renée of France (25 October 1510 – 12 June 1574), was Duchess of Ferrara from 31 October 1534 until 3 October 1559 by marriage to Ercole II d'Este, grandson of Pope Alexander VI. She was the younger surviving child of Louis XII of France and the duchess regnant Anne of Brittany. In her later life, she became an important supporter of the Protestant Reformation and ally of John Calvin. Provided by Wikipedia