skos:altLabel | - Wilbert
- Guibert
- Antipope Clement III (Wibert of Ravenna)
- Antipope Clement III
- Antipope Wibert of Ravenna
- Archbishop Wibert of Ravenna
- Clement III
- Clement III / Wibert of Ravenna
- Clement III
- Guibert of Ravenna
- Guibert, Antipope Clement III
- Guibert, archbishop of Ravenna
- Guiberto da Ravenna
- Wibert of Ravenna
- antipope Clement III
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