The bishops of LOCATION@1 had the status of prince of the Holy Roman Empire since NUMBER@1 , but had to maintain a long struggle for their independence against the guardians -LRB- advocati -RRB- of the see , the counts of LOCATION@1 and later the counts of the ORGANIZATION@1 .

From NUMBER@1 the bishops of LOCATION@1 had the status of prince of the Holy Roman Empire since NUMBER@1 , but the counts of LOCATION@1 and later the counts of PERSON@1 were `` guardians '' , always ready to take over from the bishops .
