[2] When he met Bertha, Ulrich was already betrothed to another woman, a daughter of Count Werner of Habsburg (d. 1096).
[3] During the Investiture Contest, Ulrich was on the papal side, allied with Rudolf of Rheinfelden and Welf I, Duke of Bavaria.
[4] With the permission of Pope Gregory VII He founded the abbey of Mehrerau in Bregenz.
[5] Ulrich was also engaged in a long-running dispute with the monastery of Petershausen over property in Bigenhausen which he had appropriated from the monks.
He died from the injuries he sustained and his body was taken back to Bregenz for burial.