High Quality Content by WIKIPEDIA articles! Pope Clement VI (1291 – December 6, 1352), born Pierre Roger, the fourth of the Avignon Popes, was pope from May 1342 until his death in December of 1352. Clement is most notable in his papacy as the Pope that reigned during the time of the Black Death (1348-1350), during which time he granted remission of sins to all that died of the plague.