rederick II (1194-1250), Holy Roman
emperor, the son of Emperor Henry IV and of Constance, heiress of
Sicily, was born at Jesi, near Ancona, in Italy, was elected
emperor in 1212, but was not crowned until 1215. In 1226
Frederick renewed the ancient imperial claims over Lombardy. Pope
Honorius III prepared to support the Lombard cities, and his
successor, Gregory IX, began the celebrated struggle between the
papacy and the emperor. In the ensuing struggle with the papacy,
Frederick neglected his duties in Germany, and devoted all his
energies to establishing in his Sicilian kingdom "a
centralized bureaucracy, dependent upon himself." Aided by
the Lombard cities and by many German nobles, the papacy
eventually won the day. See Kingtons History of
Frederick II (1862); and Touts The Empire and the
Papacy (1903). [World Wide Illustrated Encyclopedia, 1935]