 Peter's motive in this action was probably to curtail any expansion of the Diocese of Urgell in the direction of Lleida.In any case, Barbastro fell in 1100.According to what is probably a legend, at the urging of the monks of San Juan de la Peña Peter planned to join on the Crusade of 1101 and make a pilgrimage to Jerusalem, but Pope Paschal II refused to allow it and ordered him to make war on Zaragoza instead.