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 went to Rome to support Pope Urban II (1088–99) in reclaiming the Lateran from the faction of antipope Clement III (1080–1099); the funds he offered to the custodian led to surrender.