Philip the Good (French: Philippe le Bon), also Philip III, Duke of Burgundy (Dijon, July 31, 1396 – Bruges, June 15, 1467) was Duke of Burgundy from 1419 until his death. He was a member of a cadet line of the Valois dynasty (the then Royal family of France). During his reign Burgundy reached the height of its prosperity and prestige and became a leading center of the arts. Philip is known in history for his administrative reforms, patronage of Flemish artists such as Jan van Eyck, and the capture of Joan of Arc. During his reign he alternated between English and French alliances in an attempt to improve his dynasty's position.