Four equestrian statues of Prussian kings and German emperors of the Hohenzollern family flank each ramp. The Cathedral Bridge was already adorned with the statues of Friedrich Wilhelm IV of Prussia by sculptor Gustav Blaeser and Kaiser Wilhelm I by Friedrich Drake, which now stand on the right (east) bank of the Rhine (see pictures above). In addition sculptor Louis Tuaillon made the equestrian statues of Friedrich III and, during his lifetime, OF Wilhelm II, which were placed on the left (west) bank of the Rhine (see pictures below).