The Hildebrandine party was aroused to action, however; a Lateran council of March 1112 declared null and void the concessions extorted by violence; a council held at Vienne in October 1111 excommunicated the Emperor; and Paschal II sanctioned the proceeding.
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Founded on a treaty of 1113 between the Republic of Pisa and Ramon Berenguer III, Count of Barcelona, the expedition had the support of Pope Paschal II and the participation of many lords of Catalonia and Occitania, as well as contingents from northern and central Italy, Sardinia, and Corsica.
On his way home, Odo visited Pope Paschal II in Rome, and at the Pope's suggestion he became a monk at Cluny, which may have been necessary because had sold all his property before the crusade.
Mowbray's wife, Matilda, was granted an annulment of her marriage by Pope Paschal II and sometime after 1107, she became the wife of Nigel d'Aubigny, who was also granted the lands in Montbray forfeited by her former husband.
His election as bishop was contested, he had been hurried into minor orders after the battle and made a canon of Rouen, but it was upheld by Pope Paschal II at the Council of Langres.