Seeing that all efforts to regain his see would be useless , Gunther acknowledged the new archbishop and left Cologne for good .
After the death of Gunther 's protector , Lothair II , Wilbert was elected Archbishop of Cologne ( 7 January , 870 ) .
Seeing that all efforts to regain Gunther 's see would be useless , Gunther acknowledged the new archbishop and left Cologne for good .
After the death of Gunther 's protector , Lothair II , Wilbert was elected Archbishop of Cologne ( 7 January , 870 ) .