Cesare d’Este
E907052
Cesare d’Este was an Italian nobleman who became the last Duke of Ferrara from the Este family before the duchy was absorbed into the Papal States in 1598.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cesare d’Este canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10821772 — 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: Cesare d’Este Context triple: [House of Este, notableMember, Cesare d’Este]
-
A.
Augustus d'Este
Augustus d'Este was an illegitimate grandson of King George III of the United Kingdom, known for his long legal battle over his claim to the dukedom of Sussex and for his detailed diaries documenting early 19th-century British society.
-
B.
Cesare d’Aragona
Cesare d’Aragona was an illegitimate son of King Frederick of Naples, belonging to the late 15th-century Neapolitan royal family.
-
C.
Francesco I d'Este
Francesco I d'Este was a 17th-century Italian nobleman who served as Duke of Modena and Reggio and is remembered as a prominent military leader and patron of the arts.
-
D.
Alfonso I d’Este, Duke of Ferrara
Alfonso I d’Este, Duke of Ferrara, was an Italian Renaissance nobleman and military leader known for his patronage of the arts and his role in the Italian Wars.
-
E.
Ercole I d'Este
Ercole I d'Este was a prominent 15th-century Italian Renaissance ruler of the House of Este, best known for transforming Ferrara into a major cultural and artistic center.
- 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: Cesare d’Este Target entity description: Cesare d’Este was an Italian nobleman who became the last Duke of Ferrara from the Este family before the duchy was absorbed into the Papal States in 1598.
-
A.
Augustus d'Este
Augustus d'Este was an illegitimate grandson of King George III of the United Kingdom, known for his long legal battle over his claim to the dukedom of Sussex and for his detailed diaries documenting early 19th-century British society.
-
B.
Cesare d’Aragona
Cesare d’Aragona was an illegitimate son of King Frederick of Naples, belonging to the late 15th-century Neapolitan royal family.
-
C.
Francesco I d'Este
Francesco I d'Este was a 17th-century Italian nobleman who served as Duke of Modena and Reggio and is remembered as a prominent military leader and patron of the arts.
-
D.
Alfonso I d’Este, Duke of Ferrara
Alfonso I d’Este, Duke of Ferrara, was an Italian Renaissance nobleman and military leader known for his patronage of the arts and his role in the Italian Wars.
-
E.
Ercole I d'Este
Ercole I d'Este was a prominent 15th-century Italian Renaissance ruler of the House of Este, best known for transforming Ferrara into a major cultural and artistic center.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Duke of Ferrara
ⓘ
Italian nobleman ⓘ human ⓘ |
| associatedWith |
Italian Renaissance courts
NERFINISHED
ⓘ
Papal States–Este conflict over Ferrara ⓘ |
| birthDate | 1562-10-08 ⓘ |
| birthPlace |
Duchy of Ferrara
NERFINISHED
ⓘ
Ferrara NERFINISHED ⓘ |
| burialPlace | Modena NERFINISHED ⓘ |
| countryOfCitizenship | Duchy of Ferrara NERFINISHED ⓘ |
| deathCause | natural causes ⓘ |
| deathDate | 1628-12-11 ⓘ |
| deathPlace |
Duchy of Modena
NERFINISHED
ⓘ
Modena NERFINISHED ⓘ |
| dynasticHouse | Este NERFINISHED ⓘ |
| familyName | d’Este NERFINISHED ⓘ |
| father | Alfonso d’Este, marquess of Montecchio NERFINISHED ⓘ |
| givenName | Cesare NERFINISHED ⓘ |
| heldTitleUntil |
Ferrara, 1598
ⓘ
Modena, 1628 ⓘ |
| lostTerritoryTo | Papal States NERFINISHED ⓘ |
| memberOf | House of Este NERFINISHED ⓘ |
| mother | Giulia della Rovere NERFINISHED ⓘ |
| nobleFamily | House of Este NERFINISHED ⓘ |
| notableEvent | loss of Ferrara to the Papal States in 1598 ⓘ |
| notableFor | being the last Este Duke of Ferrara ⓘ |
| positionHeld |
Duke of Ferrara
NERFINISHED
ⓘ
Duke of Modena NERFINISHED ⓘ Duke of Reggio NERFINISHED ⓘ |
| predecessor | Alfonso II d’Este NERFINISHED ⓘ |
| reignEnd | 1598 ⓘ |
| reignStart | 1597 ⓘ |
| religion |
Roman Catholicism
ⓘ
surface form:
Catholic Church
|
| ruledFrom |
Ferrara
NERFINISHED
ⓘ
Modena NERFINISHED ⓘ Reggio Emilia NERFINISHED ⓘ |
| spouse | Virginia de’ Medici NERFINISHED ⓘ |
| startTime | 1562-10-08 ⓘ |
| style | His Serene Highness NERFINISHED ⓘ |
| succeededByInModena | House of Este, Modena branch NERFINISHED ⓘ |
| successor | Papal States NERFINISHED ⓘ |
| title |
Duke of Ferrara
NERFINISHED
ⓘ
Duke of Modena NERFINISHED ⓘ Duke of Reggio NERFINISHED ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Cesare d’Este Description of subject: Cesare d’Este was an Italian nobleman who became the last Duke of Ferrara from the Este family before the duchy was absorbed into the Papal States in 1598.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.