Juan Castellar y de Borja
Juan Castellar y de Borja was a Spanish Roman Catholic bishop and cardinal.Biography
Juan Castellar y de Borja was born in Valencia in late 1441, the son of Galcerán de Castellar, señor de Picassent and Alcàsser, and his wife Bernardona Borja. The Castellar family was allied with the Borja family. He was a cousin of Cardinal Juan de Borja Lanzol de Romaní, el mayor.
Early in his career, he became a canon of the cathedral chapter of Seville Cathedral. He later also became a canon of Naples Cathedral, the Cathedral of Toledo, and Burgos Cathedral. Moving to Rome, he became a protonotary apostolic.
On August 23, 1493, he was elected Archbishop of Trani. In the same year, Pope Alexander VI named him governor of Perugia. On February 17, 1502, he was one of six cardinals and six prelates who accompanied the pope on his trip to Piombino.
Pope Alexander VI made Castellar a cardinal priest in the consistory of May 31, 1503. He received the titular church of Santa Maria in Trastevere on June 12, 1503.
On August 9, 1503, he was transferred to the metropolitan see of Monreale. He occupied the post until his death.
He participated in both the papal conclave of September 1503 that elected Pope Pius III and the papal conclave of October 1503 that elected Pope Julius II.
On July 7, 1504, he left Rome to visit Ferdinand II of Aragon. He became ill in Valencia, and after several months, died on January 1, 1505, of a kidney ailment. He was buried in the Augustinian convent in Valencia.