In 104 9 a writing denouncing the vices of the clergy and entitled Liber Gomorrhianus; and soon became associated with Hildebrand in the work of reform.
Their appointment, according to notions which defined themselves within the church at this epoch, was simoniacal; and during the long minority of Henry IV., who succeeded his father in 1056, the terrible Tuscan monk, Hildebrand of Soana, forged weapons which he used with deadly effect against the presumption of the empire.
How Hildebrand paved the way for these reforms during the pontificates of Nicholas II.
Ir tares the next year after his election Hildebrand convenec a council, and passed measures enforcing the celibac)
And the application of their principles by Hildebrand (afterwards Gregory VII.) are discussed in the article Canon Law.