When Rudolf died on Oct fifteen, 1080, in Merseburg, his territories have been inherited by Berthold II of Zähringen.though the town went to his son Otto and his household the von Wetter's. Berhold's 2nd son, Conrad, awarded market legal rights to town, making it the oldest Zähringerstadt in Switzerland and https://daltonhotxb.iamthewiki.com/7428402/getting_my_rheinfelden_to_work