Quick Facts
Original name:
Giovanni Siccone
Died:
Dec. 6, 1003
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John (XVII) (born, Rome—died Dec. 6, 1003) was the pope from June to December 1003. Chosen by the patrician John Crescentius III, he succeeded Pope Sylvester II. John was merely a puppet of his relatives the Crescentii, then the most influential family in Rome. He approved an evangelical mission to the Slavs.

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