Disambiguation evidence for Wibert of Ravenna (Antipope Clement III) via surface form

"Wibert of Ravenna (Antipope Clement III)"

Triples (1)

Triples where some other subject referred to this entity as "Wibert of Ravenna (Antipope Clement III)".

Investiture Controversy → involvedPerson →
"Wibert of Ravenna (Antipope Clement III)"
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