Fierabras (French Fièrebrace) is a medieval nickname derived from the Latin fera brachia (wild arms) or ferox brachium (ferocious arm). It is first recorded by Pierre de Maillezais, writing , as a nickname of William IV, Duke of Aquitaine (ruled 963–90).Sidney Herrtage, Sir Ferumbras (London: 1879), pp. xvii–xviii. It can also refer to:
Fierabras, a fictional Saracen knight in several chansons de geste William of Gellone, duke of Toulouse (r. 790–811)
See also
Fierrabras (opera), an opera based on the legendary Fierabras The nickname "Iron Arm" (French Bras-de-fer) is related: Baldwin Iron Arm (d. 879), margrave of Flanders William Iron Arm (d. 1046), count of Apulia
Notes