Roman Catholic Cardinal. Born in Viterbo to a family of humble origins, to this day Cardinal Egidio's given name remains unknown. Joining the Order of the Hermits of Saint Augustine in his native city in 1488, being given the name of Egidio da Viterbo, he received his education at the Augustinian house of Ameria, Padua, Istria, Florence and Rome, becoming among others a scholar of Greek, Hebrew, Turk, Chaldean and Persian. A noted orator who preached before Pope Alexander VI, his extensive travelers provided him the opportunity of establishing relationships with literary figures and philosophers of his time. Named vicar general of the Order in June 1506, he was elected its prior general in Naples in June of the following year. Resigning the post in February 1518, he accompanied Pope Julius II in two trips to Bologna. Named nuncio in Venice and Naples, seeking to obtain their participation in the war against the Turks, he was successively posted in Perugia following a local rebellion which aroused against the named Pope Julius. Nuncio of Pope Leo X before Holy Roman Emperor Maximilian I, inducing him make peace with Venice, as well as nuncio before the duke of Urbino, Pope Leo X created him cardinal priest in the consistory of July 1, 1517 with the title of San Bartolomeo all'Isola. Opting for the title of San Matteo in Merulana in the following days, in 1521 he was appointed protector of the Hermits of Saint Augustine. Assigned as apostolic legate to Spain on May 24, 1519 and legate a latere to promote the war against the Turks on the following July 6, he was appointed bishop of Viterbo on December 2, 1523, occupying the see until his death. Named titular Latin patriarch of Constantinople on August 8, 1524, a title which he occupied until December 19, 1530, he was named governor of Cingoli in Marche in 1524. Losing his extensive library during the sack of Rome in 1527 by the imperial troops, he retired to Padua for a year. Opting for the title of San Marcello on May 9, 1530, he furthermore served as administrator of the metropolitan see of Zadar and bishop of Lanciano, a see which he also retained until his death. A most learned and virtuous member of the Sacred College of Cardinals, to this day he remains universally esteemed as a reforming theologian, orator, humanist and poet.