Yazdegerd III
E382638
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Yazdegerd III canonical | 3 |
| Yazdegerd III (according to some traditions) | 1 |
| Yazdegerd era | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3669082 — 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 III Context triple: [Sasanian Empire, lastRuler, Yazdegerd III]
-
A.
Khusrav
Khusrav is a masculine given name of Persian origin, historically borne by princes and notable figures in Central and South Asia.
-
B.
Khosrowshahi
Khosrowshahi is a Persian surname most prominently associated with Dara Khosrowshahi, the Iranian-American business executive and CEO of Uber.
-
C.
Kay Khosrow
Kay Khosrow is a legendary, just, and spiritually enlightened king of Iran in Ferdowsi’s epic Shahnameh, renowned for avenging his father and then renouncing his throne to vanish mysteriously.
-
D.
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.
-
E.
Khosrow II
Khosrow II was a powerful Sasanian king of Persia (r. 590–628) known for his expansive wars against the Byzantine Empire and his eventual defeat by Emperor Heraclius.
- 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 III Target entity description: 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.
-
A.
Khusrav
Khusrav is a masculine given name of Persian origin, historically borne by princes and notable figures in Central and South Asia.
-
B.
Khosrowshahi
Khosrowshahi is a Persian surname most prominently associated with Dara Khosrowshahi, the Iranian-American business executive and CEO of Uber.
-
C.
Kay Khosrow
Kay Khosrow is a legendary, just, and spiritually enlightened king of Iran in Ferdowsi’s epic Shahnameh, renowned for avenging his father and then renouncing his throne to vanish mysteriously.
-
D.
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.
-
E.
Khosrow II
Khosrow II was a powerful Sasanian king of Persia (r. 590–628) known for his expansive wars against the Byzantine Empire and his eventual defeat by Emperor Heraclius.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Sasanian shahanshah
ⓘ
historical figure ⓘ monarch ⓘ |
| birthDate | c. 624 ⓘ |
| birthPlace |
Fars Province
ⓘ
surface form:
Fars
Istakhr NERFINISHED ⓘ |
| capitalDuringReign | Ctesiphon ⓘ |
| coronationPlace | Ctesiphon ⓘ |
| coronationYear | 632 ⓘ |
| countryRuled | Sasanian Empire ⓘ |
| deathCause | assassination ⓘ |
| deathDate | 651 ⓘ |
| deathPlace |
Marw
ⓘ
Merv ⓘ |
| dynasty |
Sasanian Empire
ⓘ
surface form:
Sasanian dynasty
|
| era | late antiquity ⓘ |
| ethnicity | Iranian ⓘ |
| father | Shahriyar ⓘ |
| fledTo |
Fars Province
ⓘ
surface form:
Fars
Kerman NERFINISHED ⓘ Khorasan ⓘ Media ⓘ Sistan ⓘ |
| fullName | Yazdegerd III self-link ⓘ |
| grandfather | Khosrow II ⓘ |
| historicalPeriod | end of pre-Islamic Iran ⓘ |
| house |
Sasan
ⓘ
surface form:
House of Sasan
|
| knownFor |
being the last pre-Islamic emperor of Iran
ⓘ
collapse of the Sasanian Empire ⓘ |
| language |
Middle Persian language
ⓘ
surface form:
Middle Persian
|
| legacy | symbol of the end of Sasanian imperial rule ⓘ |
| mother | unknown ⓘ |
| nameInMiddlePersian |
Khusrav
ⓘ
surface form:
Yazdgird
|
| notableEvent |
Muslim conquest of Persia
ⓘ
surface form:
Arab-Muslim conquest of Iran
Battle of Nahavand ⓘ Battle of Qadisiyyah ⓘ
surface form:
Battle of al-Qadisiyyah
|
| opponent |
Arab-Muslim armies
ⓘ
Rashidun Caliphate ⓘ |
| position | final shahanshah of the Sasanian Empire ⓘ |
| predecessor |
Ardashir III
ⓘ
Khosrow II ⓘ |
| regionRuled |
Iran
ⓘ
Mesopotamia ⓘ |
| reignEnd | 651 ⓘ |
| reignStart | 632 ⓘ |
| religion | Zoroastrianism ⓘ |
| successorState | Rashidun Caliphate ⓘ |
| title |
Shahanshah of Persia
ⓘ
surface form:
King of Kings of the Iranians
shahanshah of Iran ⓘ |
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 III Description of subject: 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.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Shahrbanu
this entity surface form:
Yazdegerd III (according to some traditions)
this entity surface form:
Yazdegerd era