For as much as William Marshal’s biographer would portray his rise through life as the reward for his dedication to knightly virtues, so too would chroniclers like the Anonymous of Béthune ascribe John’s free fall through kingship as just deserts for his unchivalrous approach to life. Knightliness—or the perception of knightliness—could make or break a man in the twelfth and thirteenth centuries. It made William Marshal. It unmade King John.