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| | CATHOLIC ENCYCLOPEDIA: Pope Martin V |
 | | He studied at the University of Perugia, became prothonotary Apostolic under Urban VI, papal auditor and nuncio at various Italian courts under Boniface IX, and was administrator of the Diocese of Palestrina from 15 December 1401, to 1405, and from 18 to 23 September, 1412. |
 | | On 12 June, 1402 he was made Cardinal Deacon of San Giorgio in Velabro. |
 | | He deserted the lawful pope, Gregory XII, was present at the council of Pisa, and took part in the election of the antipopes Alexander V and John XXIII. |
| www.newadvent.org /cathen/09725a.htm (1315 words) |
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