The Sibyls were thoroughly christianised after Lactantius finished with them. He successfully reimagined them as virtuous pagans of the distant past. Most later readers imagined the Sibylline oracles poems were authentic predictions of Christ and the end times.The fourth and (I think) final post in this informative series. Earlier posts are noted here (with links to earlier PaleoJudaica posts), here, and here.Their reputation continued to expand in late antiquity and the Mediaeval period. According to Finn Schulze-Feldmann (2017), they were integral to a wave of Christian apocalyptic literature: they were an ideal hook to hang new prophecies on.
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In both late antique and Renaissance Christianity, Hermes Trismegistos and the Sibyls sometimes were associated as venerably ancient pagan prophets. See here and links (cf. here) for more.
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