At the council of Clermont in 1095 he showed great zeal for the crusade, and having been named apostolic legate by the pope, he accompanied [Raymond IV]?, count of Toulouse?, to the east. He negotiated with Alexius Comnenus at Constantinople, re-established at Nicaea some discipline among the crusaders, caused the siege of Antioch? to be raised and died in that city of the plague on the 1st of August 1098.