Philip the Bold (1342-1404), Duke of Burgundy, was the son of John, King of France. He was granted the duchy of Burgundy and made the premier peer of France in 1362. In 1369 he married Margaret, daughter of the Count of Flanders, and on her father's death (1384) became ruler over Flanders, the county of Burgundy, Artois, Rethel, and Nevers. His dominions prospered greatly under his enlightened government. He acted a.s regent of France during the mental incapacity of Charles VI.