Francis James Schaefer, Catholic Encyclopedia (1913)
“ Crescentius the Elder. — With the disappearance of the Carlovingian dynasty the papal government of Rome lost its most powerful protector, and the Romans took matters into their own hands. Out of the local aristocracy there arose a powerful family, which assumed the practical charge of all governmental affairs in Rome, controlled the nominations to the papal throne, and held the power for many years. ”
