[2] Giuseppe Eusanio was born in Prata d'Ansidonia, Italy in 1619 and ordained a priest in the Order of Saint Augustine.

[2] On 2 December 1669, he was appointed during the papacy of Pope Clement IX as Titular Bishop of Helenopolis in Bithynia.

[2] On 4 May 1670, he was consecrated bishop by Giacomo Franzoni, Bishop of Camerino, with Giambattista Spínola, Archbishop of Genoa, and Francesco Maria Febei, Titular Archbishop of Tarsus serving as co-consecrators.

[2] On 2 May 1672, he was appointed during the papacy of Pope Clement X as Titular Bishop of Porphyreon.

[1][2] He served as Titular Bishop of Porphyreon until his death on 23 April 1692.