 He allowed the Jews, who had been forcibly converted to Christianity, to return to Judaism.In early 1098, Berthold II of Zähringen was also reconciled with Henry who exempted his domains from the jurisdiction of the dukes of Swabia and rewarded him with the hereditary title of duke.The German magnates and prelates deposed Henry's rebellious son, Conrad, and elected his 12-year-old brother, Henry V, as Henry's co-ruler in May 1098.