Which preposition to use with corsi

of Occurrences 1%

" Before leaving Rome, Francesco de' Pazzi and the Archbishop had agreed with Count Girolamo de' Riari to engage the services of two desperadoes in the pay of the PopeBernardo Bandino of the Florentine family of Baroncelli, "a reckless and a brutal man and a bankrupt to boot," and Amerigo de' Corsi, "the renegade son of a worthy father,"Messer Bernardo de' Corsi of the ancient Florentine house of that ilk.

Which preposition to use with  corsi