Aicard Pope Urban II, the greatest of the Gregorian reformers after Gregory, travelled through Languedoc and Provence, visiting Montpellier, Nîmes, Saint-Gilles, Tarascon, Avignon, Aix, Cavaillon, and other cities, preaching the First Crusade at the Council of Clermont in 1095, he had to avoid Arles, where the deposed bishop was still in power. Between 1098 and 1099, however, Aicard probably relinquished his see to follow the Crusade. Ghibbelin appeared for the first time in Urban's papal bull releasing the citizens of Arles from the penalties incurred in 1080. Aicard was in the Holy Land from 1103 to 1105, where he joined Raymond
Pope Urban II declarations against simony, lay investitures, clerical marriages (partly via the "cullagium" tax), and the emperor and his antipope. He facilitated the marriage of Matilda, countess of Tuscany, with Welf II, duke of Bavaria. He supported the rebellion of Prince Conrad against his father and bestowed the office of groom on Conrad at Cremona in 1095. While there, he helped arrange the marriage between Conrad and Maximilla, the daughter of Count Roger of Sicily, which occurred later that year at Pisa; her large dowry helped finance Conrad's continued campaigns. The Empress Adelaide was encouraged in her charges of sexual coercion against