Main Page | See live article | Alphabetical index John XVII, whose original name was Sicco, succeeded Silvester II as pope in June 1003, but died less than five months afterwards. Preceded by: Silvester II List of popes Succeeded by: John XVIII Reference This entry incorporates public domain text originally from the 1911 Encyclopaedia Britannica. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.