Giovanni Castiglione de Polena (died 1 Sep 1456) was a Roman Catholic prelate who served as Bishop of Orvieto (1454–1456) and Bishop of Penne e Atri (1433–1454)."Bishop Giovanni Castiglione (de Polena)" Catholic-Hierarchy.org. David M. Cheney. Retrieved April 30, 2016"Diocese of Orvieto-Todi" Catholic-Hierarchy.org. David M. Cheney. Retrieved February 29, 2016"Diocese of Orvieto–Todi" GCatholic.org. Gabriel Chow. Retrieved February 29, 2016
Biography On 23 Mar 1433, Giovanni Castiglione was appointed by Pope Eugene IV as Bishop of Penne e Atri.
While bishop, he was the principal co-consecrator of Canute Mikkelsen, Bishop of Viborg (1452).
On 21 Oct 1454, he was appointed Bishop of Orvieto by Pope Nicholas V. He served as Bishop of Orvieto until his death on 1 Sep 1456.
References
External links and additional sources (Chronology of Bishops) (Chronology of Bishops)