Giovanni Battista Alfieri (died 1676) was a Roman Catholic prelate who served as Bishop of Fano (1649–1676).
Giovanni Battista Alfieri was born in Ostra Vetere, Italy.
[1] On 9 Dec 1649, he was appointed during the papacy of Pope Innocent X as Bishop of Fano.
[2][1] On 2 Jan 1650, he was consecrated bishop by Marcantonio Franciotti, Cardinal-Priest of Santa Maria della Pace, with Giovanni Battista Rinuccini, Archbishop of Fermo, and Giambattista Spínola (seniore), Archbishop of Acerenza e Matera, serving as co-consecrators.
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