Encyclopedia of the Medieval Chronicle

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Leo of Ostia
(536 words)

[Ostiensis, Leo Marsicanus, Leone dei Conti dei Marsi]

1045/6-1115/7. Italy. Latin Benedictine chronicler and hagiographer. First author of the Chronica monasterii Casinensis. Born in Marsica into the aristocratic family of the counts of Marsi in Abruzzo, he joined the Benedictines of Montecassino at around the age of fourteen and became a friend of the abbot Desiderius of Benevento, later pope Victor III (1087-8). As librarian and archivist of the monastery, he was encouraged by Oderisius, who succeeded Desiderius …

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Pysiak, Jerzy, “Leo of Ostia”, in: Encyclopedia of the Medieval Chronicle, Edited by: Graeme Dunphy, Cristian Bratu. Consulted online on 19 April 2019 <http://dx.doi.org/10.1163/2213-2139_emc_SIM_01677>
First published online: 2016

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