The crypt is of special interest, since it has retained its original condition to the present day. Being the official church of the Salic Emperors, eight German Emperors and Kings, four queens and a number of bishops were buried here.

Emperor Konrad II, buried 1039
Empress Gisela, wife of Konrad II, buried 1043
Emperor Heinrich III, buried 1056
Emperor Heinrich IV, buried 1111
Emperor Heinrich V, buried 1125
Empress Beatrix, second wife of Friedrich Barbarossa, buried 1184
Agnes, daughter of Friedrich Barbarossa, buried 1184
King Philipp of Swabia, Son of Friedrich Barbarossa, buried 1216
King Rudolf of Habsburg, buried 1291
King Adolf of Nassau, buried 1309