The energies of the house of Babenberg were chiefly spent in enlarging the area and strengthening the position of the mark itself, and when this was done the house of Habsburg set itself with remarkable perseverance and marvellous success to extend its rule over neighbouring territories.
With him was extinguished the male line of the house of Babenberg.
The picturesque Old Palace (Alte Residenz) was built in 1591 on the site of an old residence of the counts of Babenberg.
Bamberg, first mentioned in 902, grew up by the castle (Babenberch) which gave its name to the Babenberg family.
He assisted the Franconian family of the Conradines in its feud with the Babenbergs, and was accused of betraying Adalbert, count of Babenberg, to death.