Born to the Italian nobility; his was a pious family and several of his brothers became monks. Canon lawyer. Canon of the cathedral of Turin, Italy. Commendatory abbot of Rivalta, Italy. Priest. Noted preacher. Archbishop of Turin in 1364. Zealous preacher against heresy, including Waldensianism, while travelling continually to each of the parishes in his diocese. During the Avignon papacy he tried to get the pope to return to Rome. Created cardional in 1388. Apostolic legate to the court of King Charles VI.
- Book of Saints, by the Monks of Ramsgate
- Our Sunday Visitor’s Encyclopedia of Saints
- Santi e Beati, by Daniele Bolognini
- “Blessed Giovanni Orsini“. Saints.SQPN.com. 25 December 2013. Web. 31 January 2015. <>