Baldassare Cossa
E1097058
UNEXPLORED
Baldassare Cossa was an Italian cleric who became the controversial antipope John XXIII during the Western Schism in the early 15th century.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Baldassare Cossa canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T14409163 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Baldassare Cossa Context triple: [John XXIII (antipope), birthName, Baldassare Cossa]
-
A.
Cola di Rienzi
Cola di Rienzi is the historical 14th-century Roman tribune and popular leader whose dramatic rise and fall inspired various literary and musical works, including Wagner’s opera "Rienzi."
-
B.
Girolamo Mastai-Ferretti
Girolamo Mastai-Ferretti was an Italian nobleman and landowner from the prominent Mastai-Ferretti family of Senigallia, best known as the father of Giovanni Maria Mastai-Ferretti, who became Pope Pius IX.
-
C.
Paolo Malatesta
Paolo Malatesta was a 13th-century Italian nobleman, best known as the tragic lover of Francesca da Rimini in the famous medieval tale immortalized by Dante and later artistic works.
-
D.
Niccolò Fieschi
Niccolò Fieschi was a prominent Italian nobleman and churchman from Genoa, best known as a leading member of the influential Fieschi family during the late Middle Ages.
-
E.
Riccardo Federici
Riccardo Federici was the husband of Claretta Petacci, who is historically known as the mistress of Italian dictator Benito Mussolini.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Baldassare Cossa Target entity description: Baldassare Cossa was an Italian cleric who became the controversial antipope John XXIII during the Western Schism in the early 15th century.
-
A.
Cola di Rienzi
Cola di Rienzi is the historical 14th-century Roman tribune and popular leader whose dramatic rise and fall inspired various literary and musical works, including Wagner’s opera "Rienzi."
-
B.
Girolamo Mastai-Ferretti
Girolamo Mastai-Ferretti was an Italian nobleman and landowner from the prominent Mastai-Ferretti family of Senigallia, best known as the father of Giovanni Maria Mastai-Ferretti, who became Pope Pius IX.
-
C.
Paolo Malatesta
Paolo Malatesta was a 13th-century Italian nobleman, best known as the tragic lover of Francesca da Rimini in the famous medieval tale immortalized by Dante and later artistic works.
-
D.
Niccolò Fieschi
Niccolò Fieschi was a prominent Italian nobleman and churchman from Genoa, best known as a leading member of the influential Fieschi family during the late Middle Ages.
-
E.
Riccardo Federici
Riccardo Federici was the husband of Claretta Petacci, who is historically known as the mistress of Italian dictator Benito Mussolini.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.