Jaʿfar ibn al-Mansur
E913799
Jaʿfar ibn al-Mansur was a prominent member of the early Abbasid dynasty, known chiefly as the father of the caliph Harun al-Rashid and a key figure in the lineage of later Abbasid caliphs.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Jaʿfar ibn al-Mansur canonical | 2 |
| second Abbasid caliph al-Mansur | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11092621 — 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: Jaʿfar ibn al-Mansur Context triple: [al-Amin, maternalGrandfather, Jaʿfar ibn al-Mansur]
-
A.
al-Malik al-Mansur
al-Malik al-Mansur was the regnal title of the Mamluk sultan Qalawun, a powerful 13th-century ruler of Egypt and Syria known for consolidating Mamluk authority and resisting Crusader and Mongol forces.
-
B.
Al-Mansur
Al-Mansur was the second Abbasid caliph who consolidated the Abbasid dynasty’s power and established Baghdad as its capital, making it a major political and cultural center of the Islamic world.
-
C.
Al-Mansur Ibn Abi Aamir
Al-Mansur Ibn Abi Aamir was a powerful 10th-century Andalusian statesman and de facto ruler of the Caliphate of Córdoba, renowned for his military campaigns and political dominance under the Umayyad caliphs.
-
D.
ibn Husayn
ibn Husayn is a patronymic referring to a descendant or son of Husayn, notably used for Ali ibn Husayn Zayn al-Abidin, the fourth Shia Imam.
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E.
Hisham ibn al-Hakam
Hisham ibn al-Hakam was an early and influential Shi'a theologian and debater known for his rational defense of Imamate and his close association with the circles of the early Imams.
- 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: Jaʿfar ibn al-Mansur Target entity description: Jaʿfar ibn al-Mansur was a prominent member of the early Abbasid dynasty, known chiefly as the father of the caliph Harun al-Rashid and a key figure in the lineage of later Abbasid caliphs.
-
A.
al-Malik al-Mansur
al-Malik al-Mansur was the regnal title of the Mamluk sultan Qalawun, a powerful 13th-century ruler of Egypt and Syria known for consolidating Mamluk authority and resisting Crusader and Mongol forces.
-
B.
Al-Mansur
Al-Mansur was the second Abbasid caliph who consolidated the Abbasid dynasty’s power and established Baghdad as its capital, making it a major political and cultural center of the Islamic world.
-
C.
Al-Mansur Ibn Abi Aamir
Al-Mansur Ibn Abi Aamir was a powerful 10th-century Andalusian statesman and de facto ruler of the Caliphate of Córdoba, renowned for his military campaigns and political dominance under the Umayyad caliphs.
-
D.
ibn Husayn
ibn Husayn is a patronymic referring to a descendant or son of Husayn, notably used for Ali ibn Husayn Zayn al-Abidin, the fourth Shia Imam.
-
E.
Hisham ibn al-Hakam
Hisham ibn al-Hakam was an early and influential Shi'a theologian and debater known for his rational defense of Imamate and his close association with the circles of the early Imams.
- F. None of above. chosen
Statements (15)
| Predicate | Object |
|---|---|
| instanceOf |
Umayyad–Abbasid era person
ⓘ
historical figure ⓘ member of the Abbasid dynasty ⓘ |
| associatedWith | early Abbasid caliphate ⓘ |
| dynasty | Abbasid NERFINISHED ⓘ |
| era | 8th century ⓘ |
| father | Harun al-Rashid NERFINISHED ⓘ |
| house | House of Abbas NERFINISHED ⓘ |
| knownFor |
being father of Harun al-Rashid
ⓘ
place in Abbasid lineage ⓘ |
| nameInArabic | جعفر بن المنصور NERFINISHED ⓘ |
| notIdenticalTo |
Jaʿfar ibn Yahya al-Barmaki
NERFINISHED
ⓘ
al-Mansur (Abbasid caliph) NERFINISHED ⓘ |
| relative | Harun al-Rashid NERFINISHED ⓘ |
| roleInHistory | ancestor of later Abbasid caliphs ⓘ |
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: Jaʿfar ibn al-Mansur Description of subject: Jaʿfar ibn al-Mansur was a prominent member of the early Abbasid dynasty, known chiefly as the father of the caliph Harun al-Rashid and a key figure in the lineage of later Abbasid caliphs.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
second Abbasid caliph al-Mansur