The is the denotation of a deed issued by Holy Roman Emperor Frederick Barbarossa on 17 September 1156. It included the elevation of the Bavarian frontier march of Austria () to a duchy, which was given as an inheritable fief to the House of Babenberg. Content The name is opposed to the 14th century , which was a forgery drawn up at the behest of the Habsburg duke Rudolf IV of Austria. The recipient of the was Frederick's paternal uncle, the Babenberg margrave Henry II Jasomirgott. In addition to the elevation of his margraviate, the emperor determined that inheritance should also be possible through the female line of the ducal family. In the absence of children, the duke was allowed to designate a successor (). However, this extraordinary privilege was bound to the persons of Henry Jasomirgott and his wife Theodora Komnene () for life, as both had no children and Henry's brothers Otto I of Freising and Conrad I of Passau had chosen ecclesiastical careers. The emperor reserved for himself the act of enfeoffment but would respect Henry's choice. The duke's duty to attend the Imperial Diet was limited to those cases where it convened within the Bavarian lands (), which saved costly traveling throughout the Empire. Also, Austria was henceforth only required to provide troops to the emperor in wars in its vicinity (). Henry Jasomirgott was obliged to further on discharge his traditional duties as former margrave. Background The issue of the Privilegium Minus document is to be seen within the context of the conflict that pitted the Imperial House of Hohenstaufen against the ducal House of Welf in the Holy Roman Empire. In 1138 Emperor Frederick's uncle and predecessor, King Conrad III of Germany had deposed the reluctant Bavarian duke Henry the Proud and had enfeoffed his duchy to the Austrian margrave Henry Jasomirgott. King Conrad died in February 1152 and a few weeks later his nephew Frederick was elected King of the Romans, probably with the support of late Henry the Proud's son Henry the Lion. The young king and Henry the Lion were cousins through Frederick's mother Judith of Bavaria, sister of Henry the Proud. Frederick prepared for a campaign to Rome to be crowned Holy Roman Emperor and in order to gain military support wished to end the conflict he had inherited from his uncle. He called for a diet at Würzburg —however,