René was a member of the House of Valois-Anjou, a cadet branch of the French royal house, and the great-grandson of John II of France. He was a prince of the blood, and for most of his adult life also the brother-in-law of the reigning king Charles VII of France. Other than the aforementioned titles, he was also Duke of Bar from the 1420s onwards and Duke of Lorraine from 1431 to 1453.
René was a member of the House of Valois-Anjou, a cadet branch of the French royal house, and the great-grandson of John II of France. He was a prince of the blood, and for most of his adult life also the brother-in-law of the reigning king Charles VII of France. Other than the aforementioned titles, he was also Duke of Bar from the 1420s onwards and Duke of Lorraine from 1431 to 1453.