Yazdegerd II
E732394
Yazdegerd II was a 5th-century Sasanian king of kings known for his military campaigns against the Romans and Central Asian nomads and for his religious policies toward Christian and other non-Zoroastrian subjects.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Yazdegerd II canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T8392738 — 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: Yazdegerd II Context triple: [Sassanian Armenia, hasSovereign, Yazdegerd II]
-
A.
Yazdegerd III
Yazdegerd III was the final shahanshah of the Sasanian Empire, whose reign marked the end of pre-Islamic imperial Iran following the Arab-Muslim conquests.
-
B.
Yazdegerd I
Yazdegerd I was a Sasanian king of kings who ruled the Persian Empire in the early 5th century, noted for his complex religious policies and interactions with both the Roman Empire and Christian communities.
-
C.
Hormizd IV
Hormizd IV was a Sasanian king of the late 6th century known for his conflicts with the Byzantine Empire and internal tensions with the nobility and clergy.
-
D.
Bahram II
Bahram II was a Sasanian king of Iran (r. late 3rd century CE) known for consolidating royal authority, facing Roman and internal challenges, and commissioning prominent rock reliefs and inscriptions.
-
E.
Narseh
Narseh was a Sasanian king of Persia in the early 4th century, known for his inscriptions and rock reliefs and for briefly restoring imperial strength before being defeated by the Romans.
- 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: Yazdegerd II Target entity description: Yazdegerd II was a 5th-century Sasanian king of kings known for his military campaigns against the Romans and Central Asian nomads and for his religious policies toward Christian and other non-Zoroastrian subjects.
-
A.
Yazdegerd III
Yazdegerd III was the final shahanshah of the Sasanian Empire, whose reign marked the end of pre-Islamic imperial Iran following the Arab-Muslim conquests.
-
B.
Yazdegerd I
Yazdegerd I was a Sasanian king of kings who ruled the Persian Empire in the early 5th century, noted for his complex religious policies and interactions with both the Roman Empire and Christian communities.
-
C.
Hormizd IV
Hormizd IV was a Sasanian king of the late 6th century known for his conflicts with the Byzantine Empire and internal tensions with the nobility and clergy.
-
D.
Bahram II
Bahram II was a Sasanian king of Iran (r. late 3rd century CE) known for consolidating royal authority, facing Roman and internal challenges, and commissioning prominent rock reliefs and inscriptions.
-
E.
Narseh
Narseh was a Sasanian king of Persia in the early 4th century, known for his inscriptions and rock reliefs and for briefly restoring imperial strength before being defeated by the Romans.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Sasanian king of kings
ⓘ
historical figure ⓘ |
| associatedWith |
Sasanian–Roman frontier diplomacy
ⓘ
linked to:
Roman–Sasanian frontier zone
religious tensions in Armenia ⓘ |
| battle | Battle of Avarayr ⓘ |
| burialPlace |
Taq-e Bostan area (traditional attribution)
ⓘ
linked to:
Taq-e Bostan
|
| capital | Ctesiphon ⓘ |
| category |
Sasanian kings of Iran
ⓘ
linked to:
Sasanian emperors
|
| coinage | silver drachms ⓘ |
| conflict |
Roman–Sasanian wars
ⓘ
linked to:
Roman–Persian Wars
campaigns in the Caucasus ⓘ wars against the Kidarites ⓘ |
| country | Sasanian Empire ⓘ |
| deathDate | 457 ⓘ |
| dynasty |
Sasanian dynasty
ⓘ
linked to:
Sasanian Empire
|
| era | 5th century ⓘ |
| ethnicGroup | Iranian ⓘ |
| father | Bahram V ⓘ |
| house |
House of Sasan
ⓘ
linked to:
Sasan
|
| knownFor |
military campaigns against Central Asian nomads
ⓘ
military campaigns against the Eastern Roman Empire ⓘ religious policies toward Christians ⓘ religious policies toward non-Zoroastrian subjects ⓘ |
| languageUsed | Middle Persian inscriptions ⓘ |
| motherTongue |
Middle Persian
ⓘ
linked to:
Middle Persian language
|
| notableAction |
attempted to integrate Armenian church into imperial religious policy
ⓘ
negotiated truces with the Eastern Roman Empire ⓘ relocated some Armenian nobles to Iran ⓘ |
| opponent | Vardan Mamikonian ⓘ |
| policy |
pressure on Christian nobility to convert to Zoroastrianism
ⓘ
promotion of Zoroastrian orthodoxy ⓘ restrictions on Christian practices in the empire ⓘ suspicion of Armenian Christian loyalty to Rome ⓘ |
| positionHeld |
King of Kings of Iran and non-Iran
ⓘ
linked to:
Shahanshah of Persia
|
| predecessor | Bahram V ⓘ |
| regionRuled |
Iran
ⓘ
Mesopotamia ⓘ parts of the Caucasus ⓘ |
| reignEnd | 457 ⓘ |
| reignStart | 438 ⓘ |
| religion | Zoroastrianism ⓘ |
| strengthened |
defenses in the Caucasus
ⓘ
eastern frontier against nomadic incursions ⓘ |
| succeededBy | Hormizd III ⓘ |
| successor | Hormizd III ⓘ |
| title |
Shahanshah
ⓘ
linked to:
Shahanshah of Persia
|
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: Yazdegerd II Description of subject: Yazdegerd II was a 5th-century Sasanian king of kings known for his military campaigns against the Romans and Central Asian nomads and for his religious policies toward Christian and other non-Zoroastrian subjects.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.