al-Ma'mun
E51505
Al-Ma'mun was a prominent Abbasid caliph known for his patronage of science and philosophy, the founding of the Bayt al-Hikma (House of Wisdom) in Baghdad, and his role in the Mihna (inquisition) over Islamic doctrine.
All labels observed (7)
| Label | Occurrences |
|---|---|
| al-Ma'mun canonical | 20 |
| Caliph al-Ma'mun | 6 |
| Abbasid Caliph | 1 |
| Abu al-Abbas Abd Allah al-Ma'mun ibn Harun al-Rashid | 1 |
| Al-Ma'mun | 1 |
| al-Maʾmun | 1 |
| al-Maʾmūn | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T389560 — 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.
Target entity: al-Ma'mun Context triple: [Abbasid Caliphate, ruler, al-Ma'mun]
-
A.
Harun al-Rashid
Harun al-Rashid was a prominent 8th–9th century Abbasid caliph whose reign is famed for its cultural flourishing, political power, and legendary portrayal in the tales of the One Thousand and One Nights.
-
B.
Ibn Muqla
Ibn Muqla was a 10th-century Abbasid vizier and master calligrapher renowned for codifying the proportional rules that shaped classical Arabic scripts, especially Naskh.
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C.
as-Saffah
As-Saffah was the founder and first caliph of the Abbasid dynasty, known for overthrowing the Umayyads and establishing a new Islamic caliphal rule in 750 CE.
-
D.
Qasim ibn Muhammad
Qasim ibn Muhammad was the eldest son of the Islamic prophet Muhammad, who died in childhood in Mecca.
-
E.
Caliph Uthman ibn Affan
Caliph Uthman ibn Affan was the third Rashidun caliph, known for his pious leadership, close companionship with the Prophet Muhammad, and major role in early Islamic governance and expansion.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: al-Ma'mun Target entity description: Al-Ma'mun was a prominent Abbasid caliph known for his patronage of science and philosophy, the founding of the Bayt al-Hikma (House of Wisdom) in Baghdad, and his role in the Mihna (inquisition) over Islamic doctrine.
-
A.
Harun al-Rashid
Harun al-Rashid was a prominent 8th–9th century Abbasid caliph whose reign is famed for its cultural flourishing, political power, and legendary portrayal in the tales of the One Thousand and One Nights.
-
B.
Ibn Muqla
Ibn Muqla was a 10th-century Abbasid vizier and master calligrapher renowned for codifying the proportional rules that shaped classical Arabic scripts, especially Naskh.
-
C.
as-Saffah
As-Saffah was the founder and first caliph of the Abbasid dynasty, known for overthrowing the Umayyads and establishing a new Islamic caliphal rule in 750 CE.
-
D.
Qasim ibn Muhammad
Qasim ibn Muhammad was the eldest son of the Islamic prophet Muhammad, who died in childhood in Mecca.
-
E.
Caliph Uthman ibn Affan
Caliph Uthman ibn Affan was the third Rashidun caliph, known for his pious leadership, close companionship with the Prophet Muhammad, and major role in early Islamic governance and expansion.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Abbasid caliph
ⓘ
Muslim ruler ⓘ historical figure ⓘ |
| appointed |
Ali al-Rida
ⓘ
surface form:
Ali al-Rida as heir apparent
|
| birthDate | 786 ⓘ |
| birthPlace | Baghdad ⓘ |
| burialPlace | Tarsus ⓘ |
| caliphateCapital | Baghdad ⓘ |
| cameToPowerAfter | Fourth Fitna ⓘ |
| commissioned |
astronomical observations
ⓘ
geographical surveys ⓘ measurement of the Earth's circumference ⓘ |
| conflict | Byzantine Empire ⓘ |
| deathDate | 833 ⓘ |
| deathPlace | near Tarsus ⓘ |
| dynasty | Abbasid Caliphate ⓘ |
| era | Islamic Golden Age ⓘ |
| event | Mihna ⓘ |
| father | Harun al-Rashid ⓘ |
| founded |
House of Wisdom
ⓘ
surface form:
Bayt al-Hikma
|
| fullName |
al-Ma'mun
self-linksurface differs
ⓘ
surface form:
Abu al-Abbas Abd Allah al-Ma'mun ibn Harun al-Rashid
|
| givenName |
Abdullah
ⓘ
surface form:
Abd Allah
|
| initiated | Mihna ⓘ |
| knownFor |
founding the Bayt al-Hikma
ⓘ
patronage of philosophy ⓘ patronage of science ⓘ support of rationalist theology ⓘ support of the Mu'tazilite school ⓘ Mihna (inquisition) ⓘ
surface form:
the Mihna inquisition
|
| language | Arabic ⓘ |
| ledCampaignsIn | Byzantine frontier regions ⓘ |
| mother | Marajil ⓘ |
| patronage |
House of Wisdom
ⓘ
surface form:
Bayt al-Hikma
|
| policy | enforcement of the doctrine of the createdness of the Qur'an ⓘ |
| politicalConflict | civil war with al-Amin ⓘ |
| predecessor | al-Amin ⓘ |
| promoted |
astronomy
ⓘ
mathematics ⓘ medicine ⓘ translation of Greek works into Arabic ⓘ |
| regnalName | al-Ma'mun self-link ⓘ |
| reignEnd | 833 ⓘ |
| reignStart | 813 ⓘ |
| religion | Islam ⓘ |
| sibling |
al-Amin
ⓘ
al-Mu'tasim ⓘ |
| successor | al-Mu'tasim ⓘ |
| territoryRuled | Abbasid Caliphate ⓘ |
| title |
Amir al-Mu’minin
ⓘ
surface form:
Amir al-Mu'minin
|
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.
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.
Subject: al-Ma'mun Description of subject: Al-Ma'mun was a prominent Abbasid caliph known for his patronage of science and philosophy, the founding of the Bayt al-Hikma (House of Wisdom) in Baghdad, and his role in the Mihna (inquisition) over Islamic doctrine.
Referenced by (31)
Full triples — surface form annotated when it differs from this entity's canonical label.