Duchy of Franconia

It also included several Gaue on the left bank of the Rhine around the cities of Mainz, Speyer and Worms comprising present-day Rhenish Hesse and the Palatinate region.

Upon the extinction of the East Frankish Carolingians in 911, he was elected the first German king and was succeeded as Franconian duke by his younger brother Eberhard.

However, the Conradines did not prevail against the rising Saxon Ottonians: In 919 Duke Henry of Saxony succeeded Conrad as German king.

Henry's son King Otto I seized the Franconian stem duchy after an unsuccessful revolt of Duke Eberhard was shattered at the 939 Battle of Andernach.

The Salian counts in Rhenish Franconia were sometimes mentioned as Franconian dukes and they became Germany's royal and imperial dynasty in 1024.

Western and Eastern Franconia, about 1000
The territory of the Duchy of Franconia was the part of the core Frankish realm of Austrasia which did not pass to Middle Francia / Lotharingia following the Treaty of Verdun