William participated in the
council of Piacenza in March 1095 and the
council of Clermont in November 1095. In 1096, William and
Hugh of Châteauneuf, Bishop of Grenoble, went to Genoa and preached in the
church of San Siro, in order to gather troops for the First Crusade. William then joined the army of Raymund of Toulouse on their march across the Balkan and through Anatolia. After the death of
Adhemar of Le Puy in August 1098 in
Antioch, he was recognized as leader of the clergy, until he himself died six months later in December 1098 in
Ma'arrat al-Nu'man. ==References==