Barons' Crusade. Barons' Crusade (1239–1241) was also referred to as the Crusade of 1239, or the Crusade of Theobald I of Navarre and the Crusade of Richard of Cornwall. Called for in 1234 by Gregory IX in his papal bull "Rachel suum videns." Successful expeditions to recaptured portions of the Holy Land. First treated by R. Röhricht in his "Die Kreuzzuge des Grafen Theobald von Navarra und Richard von Cornwallis nach dem heligen Landen". Thomas Fuller referred to it as Voyages 10 and 11 of the Holy Warre.