Yazdegerd I
E730929
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Yazdegerd I canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8392737 — 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 I Context triple: [Sassanian Armenia, hasSovereign, Yazdegerd I]
-
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.
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.
-
C.
Shapur I
Shapur I was a powerful 3rd-century Sasanian king of the Persian Empire known for his military victories against Rome and significant contributions to imperial expansion and administration.
-
D.
Hormizd I
Hormizd I was a 3rd-century Sasanian king of kings of Iran, known for his brief reign and continuation of his father Shapur I’s imperial policies.
-
E.
Ardashir I
Ardashir I was the founder and first king of the Sasanian Empire, who overthrew the Parthians and established a powerful Persian dynasty in the early 3rd century.
- 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 I Target entity description: 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.
-
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.
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.
-
C.
Shapur I
Shapur I was a powerful 3rd-century Sasanian king of the Persian Empire known for his military victories against Rome and significant contributions to imperial expansion and administration.
-
D.
Hormizd I
Hormizd I was a 3rd-century Sasanian king of kings of Iran, known for his brief reign and continuation of his father Shapur I’s imperial policies.
-
E.
Ardashir I
Ardashir I was the founder and first king of the Sasanian Empire, who overthrew the Parthians and established a powerful Persian dynasty in the early 3rd century.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Sasanian king of kings
ⓘ
historical figure ⓘ monarch ⓘ |
| associatedWith |
Church of the East
NERFINISHED
ⓘ
Zoroastrian priesthood NERFINISHED ⓘ |
| capital | Ctesiphon NERFINISHED ⓘ |
| child |
Bahram V
NERFINISHED
ⓘ
Narseh NERFINISHED ⓘ Shapur IV NERFINISHED ⓘ |
| chronologicalPlacement | early 5th century ⓘ |
| conflict |
Roman–Sasanian relations in the early 5th century
ⓘ
tensions with the Zoroastrian clergy ⓘ |
| country | Sasanian Empire NERFINISHED ⓘ |
| deathDate | 420 ⓘ |
| deathPlace | Sasanian Empire NERFINISHED ⓘ |
| dynasty | Sasanian dynasty NERFINISHED ⓘ |
| era | late antiquity ⓘ |
| ethnicGroup | Iranian ⓘ |
| father | Shapur III NERFINISHED ⓘ |
| governedTerritory |
Iran
NERFINISHED
ⓘ
Mesopotamia NERFINISHED ⓘ parts of the Caucasus ⓘ |
| house | House of Sasan NERFINISHED ⓘ |
| knownAs |
Yazdegerd the Beneficent
NERFINISHED
ⓘ
Yazdegerd the Sinner NERFINISHED ⓘ |
| notableEvent |
intervention in Roman imperial succession on behalf of Theodosius II
ⓘ
peace with the Eastern Roman Empire during much of his reign ⓘ |
| notableFor |
attempts to centralize royal authority
ⓘ
relations with the Eastern Roman Empire ⓘ religious policies toward Christians ⓘ |
| policy |
initial tolerance toward Christians
ⓘ
later persecution of some Christian communities ⓘ support for the Church of the East at times ⓘ |
| positionHeld | Shahanshah of the Sasanian Empire NERFINISHED ⓘ |
| powerBase | Ctesiphon NERFINISHED ⓘ |
| predecessor | Bahram IV NERFINISHED ⓘ |
| region | Persia NERFINISHED ⓘ |
| reignEnd | 420 ⓘ |
| reignStart | 399 ⓘ |
| religion | Zoroastrianism ⓘ |
| sourceMention |
Armenian historical sources
ⓘ
Persian and Arabic historiography ⓘ Syriac Christian sources ⓘ |
| spouse | Shushandukht NERFINISHED ⓘ |
| succeeded | Bahram IV as shahanshah ⓘ |
| succeededBy | Bahram V as shahanshah ⓘ |
| successor | Bahram V NERFINISHED ⓘ |
| title | King of Kings of Iran and non-Iran 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: Yazdegerd I Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.