The name of nine Popes; S. I., Pope from 253 to 257, signalised by his zeal against the heresies of his time; S. II., Pope from 752 to 757, in whose reign, under favour of Pepin le Bref, began the temporal power of the Popes; S. III., Pope from 768 to 772, sanctioned the worship of saints and images; S. IV., Pope from 816 to 817; S. V., Pope from 885 to 891, distinguished for his charity; S. VI., Pope from 896 to 897, strangled after a reign of 18 months; S. VII., Pope from 829 to 831, entirely under the control of his mistresses; S. VIII., Pope from 939 to 942; S. IX., Pope from 1057 to 1058, vigorously opposed the sale of benefices and the immorality of the clergy.