Thus, in 1094, he went to Rome in order to help Pope Urban II (1088–99) to take possession of the Lateran, still held by the faction of the antipope Clement III (1080–1100); the money which he offered to the custodian brought about the surrender.
In 1094, he traveled to Rome to assist Pope Urban II (1088–99) in taking back the Lateran from the antipope Clement III (1080–1099); the money he offered to the custodian caused the surrender.