Giambattista Grossi (died 28 March 1569) was a Roman Catholic prelate who served as Bishop of Reggio Emilia (1549–1569).
[1] On 4 December 1545, Giambattista Grossi was appointed during the papacy of Pope Paul III as Coadjutor Bishop of Reggio Emilia.
[1][2] On 22 January 1549, he succeeded to the bishopric.
[1][2] He served as Bishop of Reggio Emili until his death on 28 March 1569.
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