Giacomo de' Giacomelli was a Roman Catholic prelate who served as Bishop of Belcastro (1542–1552).
[1] On 5 May 1542, Giacomo de' Giacomelli was appointed during the papacy of Pope Paul III as Bishop of Belcastro.
[1][2] He served as Bishop of Belcastro until his resignation on 14 Dec 1552.
[1][2] While bishop, he was the principal co-consecrator of Giulio Antonio Santorio, Archbishop of Santa Severina (1566).
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