Tiburtine Sibyl. The Tiburtine Sibyl or Albunea was a Roman sibyl, whose seat was the ancient Etruscan town of Tibur.
   The mythic meeting of Cęsar Augustus with the Sibyl, of whom he inquired whether he should be worshiped as a god, was a favored motif of Christian artists. Whether the sibyl in question was the Etruscan Sibyl of Tibur or the Greek Sibyl of Cumę is not always clear.
   The Christian author Lactantius identified the sibyl in question as the Tiburtine sibyl. He gave a circumstantial account of the pagan sibyls that is useful mostly as a guide to their identifications, as seen by 4th-century Christians: The Tiburtine Sibyl, by name Albunea, is worshiped at Tibur as a goddess, near the banks of the Anio, in which stream her image is said to have been found, holding a book in her hand.
   Her oracular responses the Senate transferred into the capitol.. An apocalyptic pseudo-prophecy exists among the Sibylline Oracles, which was attributed to the Tiburtine Sibyl.
   Its earliest version may date from the fourth century, but in the form that it survives today it was written in the early eleventh century, and has been influenced by the Apocalypse of Pseudo-Methodius. Its first version in Latin dates from the tenth century and may have come from Lombardy, though it was quickly picked up by the Salian dynasty and the Hohenstaufens. It proved a useful rhetorical tool, valuable for many a ruler; the
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