Kammala jumla mai zuwa: Cologne na farko na tsakiyar zamanai wani ɓangare ne na Austrasia a cikin Daular Frankish. A shekara ta 716, Charles Martel ya jagoranci rundunar soji a karon farko kuma ya sha wahala kawai a rayuwarsa lokacin da Chilperic II, Sarkin Neustria, ya mamaye Austrasia kuma birnin ya fadi a gare shi a yakin Cologne. Charles ya gudu zuwa tsaunukan Eifel, ya tara magoya baya kuma ya sake karɓar birnin a wannan shekarar bayan ya ci Chilperic a cikin
Yaƙin Amblève. Cologne ya kasance wurin zama na bishop tun lokacin zamanin Roman; a ƙarƙashin Charlemagne, a cikin 795, bishop Hildebold ya zama babban bishop. A cikin yarjejeniyar Verdun ta 843 Cologne ta fada cikin mulkin Lothair I ta Tsakiyar Francia <unk> daga baya aka kira Lotharingia (Lower Lorraine).