Louis II
E808384
Louis II was a 9th-century Carolingian ruler who served as Holy Roman Emperor and King of Italy, playing a key role in defending imperial territories in Italy against Arab incursions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Louis II canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9552375 — 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: Louis II Context triple: [Charles the Bald, predecessorAsHolyRomanEmperor, Louis II]
-
A.
Louis I
Louis I was a short-reigning early 18th-century King of Spain from the House of Bourbon, known for succeeding his father Philip V before dying young.
-
B.
Louis I
Louis I, also known as Louis the Pious, was a 9th-century Frankish king and Holy Roman Emperor who was the son and successor of Charlemagne.
-
C.
Louis III
Louis III was a 9th-century Carolingian king of West Francia who ruled jointly with his brother Carloman II and is remembered for his military successes against Viking invaders before his early death.
-
D.
Lothair II
Lothair II was a 9th-century Carolingian king who ruled Lotharingia and is chiefly remembered for the protracted and ultimately unsuccessful struggle to annul his marriage in order to secure a legitimate heir.
-
E.
Otto II, Holy Roman Emperor
Otto II, Holy Roman Emperor was a 10th-century ruler of the Holy Roman Empire who continued the consolidation of imperial power in Central Europe as a member of the Ottonian dynasty.
- 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: Louis II Target entity description: Louis II was a 9th-century Carolingian ruler who served as Holy Roman Emperor and King of Italy, playing a key role in defending imperial territories in Italy against Arab incursions.
-
A.
Louis I
Louis I was a short-reigning early 18th-century King of Spain from the House of Bourbon, known for succeeding his father Philip V before dying young.
-
B.
Louis I
Louis I, also known as Louis the Pious, was a 9th-century Frankish king and Holy Roman Emperor who was the son and successor of Charlemagne.
-
C.
Louis III
Louis III was a 9th-century Carolingian king of West Francia who ruled jointly with his brother Carloman II and is remembered for his military successes against Viking invaders before his early death.
-
D.
Lothair II
Lothair II was a 9th-century Carolingian king who ruled Lotharingia and is chiefly remembered for the protracted and ultimately unsuccessful struggle to annul his marriage in order to secure a legitimate heir.
-
E.
Otto II, Holy Roman Emperor
Otto II, Holy Roman Emperor was a 10th-century ruler of the Holy Roman Empire who continued the consolidation of imperial power in Central Europe as a member of the Ottonian dynasty.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Holy Roman Emperor
ⓘ
King of Italy ⓘ human ⓘ |
| alliedWith | Byzantine Empire NERFINISHED ⓘ |
| birthDate | circa 825 ⓘ |
| burialPlace | Basilica of San Ambrogio, Milan NERFINISHED ⓘ |
| centuryOfActivity | 9th century ⓘ |
| coronationAsEmperorDate | 850 ⓘ |
| countryOfCitizenship | Frankish Empire NERFINISHED ⓘ |
| deathDate | 12 August 875 ⓘ |
| deathPlace | near Brescia ⓘ |
| endTimeAsEmperor | 875 ⓘ |
| endTimeAsKingOfItaly | 875 ⓘ |
| era | Early Middle Ages ⓘ |
| father | Lothair I NERFINISHED ⓘ |
| givenName | Louis NERFINISHED ⓘ |
| house | House of Carolingians NERFINISHED ⓘ |
| languageOfRecord | Latin ⓘ |
| memberOfDynasty | Carolingian dynasty NERFINISHED ⓘ |
| militaryConflict |
siege of Bari
NERFINISHED
ⓘ
wars against Arab forces in southern Italy ⓘ |
| mother | Ermengarde of Tours NERFINISHED ⓘ |
| nobleTitle |
Emperor of the Romans
NERFINISHED
ⓘ
Rex Italiae NERFINISHED ⓘ |
| notableFor |
campaigns in southern Italy
ⓘ
defending Italy against Arab incursions ⓘ intervention in the politics of the Papal States ⓘ |
| occupation | ruler ⓘ |
| positionHeld |
Holy Roman Emperor
NERFINISHED
ⓘ
King of Italy NERFINISHED ⓘ King of the Lombards NERFINISHED ⓘ |
| regnalName | Louis II NERFINISHED ⓘ |
| religion |
Roman Catholicism
ⓘ
surface form:
Catholic Church
|
| sibling |
Charles of Provence
NERFINISHED
ⓘ
Lothair II NERFINISHED ⓘ |
| spouse | Engelberga NERFINISHED ⓘ |
| startTimeAsEmperor | 855 ⓘ |
| startTimeAsKingOfItaly | 844 ⓘ |
| style | Carolingian rulership ⓘ |
| succeeded |
Lothair I as Emperor
NERFINISHED
ⓘ
Lothair I as King of Italy ⓘ |
| succeededBy | Charles the Bald as Emperor ⓘ |
| supportedBy |
Pope Benedict III
NERFINISHED
ⓘ
Pope Leo IV NERFINISHED ⓘ Pope Nicholas I NERFINISHED ⓘ |
| territorialFocus | Kingdom of Italy 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: Louis II Description of subject: Louis II was a 9th-century Carolingian ruler who served as Holy Roman Emperor and King of Italy, playing a key role in defending imperial territories in Italy against Arab incursions.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.