Bonifacio Ferrero was born in Biella in 1476, the son of Sebastiano Ferraro and Tomena Avogadro.
[1] He was Bishop of Ivrea from his election on 28 July 1497 until 5 November 1509, when he resigned in favour of his brother Gianstefano.
[1] At that time, he returned to the see of Ivrea, occupying this see until 17 May 1518, when he resigned in favor of his nephew, Filiberto Ferrero.
[1] He received the red hat and the titular church of Santi Nereo e Achilleo on 6 July 1517.
[1] He opted for the order of cardinal bishops on 12 December 1533, taking the suburbicarian see of Albano.
[1] He was briefly administrator of Vercelli upon the death of his brother Agostino, from 1 September to 30 December 1536, at which time he resigned in favor of his nephew Pietro Ferrero.