Disambiguation evidence for John XXIII (antipope) via surface form

"Pisan antipope John XXIII (Baldassare Cossa)"

Triples (1)

Triples where some other subject referred to this entity as "Pisan antipope John XXIII (Baldassare Cossa)".

Pope Gregory XII → contemporaryAntipope →
"Pisan antipope John XXIII (Baldassare Cossa)"
↳ resolves to John XXIII (antipope)
ⓘ