Louis the German
E227193
Louis the German was a 9th-century East Frankish king and grandson of Charlemagne who played a key role in the fragmentation of the Carolingian Empire and the formation of what would become Germany.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Louis the German canonical | 30 |
| East Francia – Louis the German | 1 |
| King Louis the German | 1 |
| Louis the German (as overlord of eastern parts after partitions) | 1 |
| Louis the Younger | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2006791 — 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 the German Context triple: [Carolingian dynasty, notableMember, Louis the German]
-
A.
Arnulf, Prince of Bavaria
Arnulf, Prince of Bavaria was a 19th-century Bavarian royal prince and military officer from the House of Wittelsbach.
-
B.
Emperor Louis the Pious
Emperor Louis the Pious was a 9th-century Frankish ruler, son and successor of Charlemagne, who reigned as Emperor of the Carolingian Empire and was known for his religious devotion and efforts to reform the church and imperial administration.
-
C.
Henry of Almain
Henry of Almain was a 13th-century English nobleman and politician, the son of Richard, 1st Earl of Cornwall, who was murdered in Viterbo in 1271 amid the conflicts of the Second Barons' War.
-
D.
Adalbert of Bavaria
Adalbert of Bavaria was a 19th-century Bavarian prince from the House of Wittelsbach, known for his role in European royal and dynastic affairs.
-
E.
Otto I, Holy Roman Emperor
Otto I, Holy Roman Emperor was a 10th-century German king who restored imperial authority in Central Europe, consolidated the Holy Roman Empire, and is often regarded as its founder.
- 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 the German Target entity description: Louis the German was a 9th-century East Frankish king and grandson of Charlemagne who played a key role in the fragmentation of the Carolingian Empire and the formation of what would become Germany.
-
A.
Arnulf, Prince of Bavaria
Arnulf, Prince of Bavaria was a 19th-century Bavarian royal prince and military officer from the House of Wittelsbach.
-
B.
Emperor Louis the Pious
Emperor Louis the Pious was a 9th-century Frankish ruler, son and successor of Charlemagne, who reigned as Emperor of the Carolingian Empire and was known for his religious devotion and efforts to reform the church and imperial administration.
-
C.
Henry of Almain
Henry of Almain was a 13th-century English nobleman and politician, the son of Richard, 1st Earl of Cornwall, who was murdered in Viterbo in 1271 amid the conflicts of the Second Barons' War.
-
D.
Adalbert of Bavaria
Adalbert of Bavaria was a 19th-century Bavarian prince from the House of Wittelsbach, known for his role in European royal and dynastic affairs.
-
E.
Otto I, Holy Roman Emperor
Otto I, Holy Roman Emperor was a 10th-century German king who restored imperial authority in Central Europe, consolidated the Holy Roman Empire, and is often regarded as its founder.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Carolingian ruler
ⓘ
King of East Francia ⓘ medieval monarch ⓘ |
| burialPlace |
Abbey of Lorsch
ⓘ
surface form:
Lorsch Abbey
|
| child |
Carloman of Bavaria
ⓘ
Charles the Fat ⓘ Louis the Younger ⓘ |
| countryOfCitizenship | East Francia ⓘ |
| dateOfBirth | circa 806 ⓘ |
| dateOfDeath | 28 August 876 ⓘ |
| dynasty | Carolingian dynasty ⓘ |
| father |
Emperor Louis the Pious
ⓘ
surface form:
Louis the Pious
|
| givenName | Louis ⓘ |
| grandfather | Charlemagne ⓘ |
| house | Carolingian dynasty ⓘ |
| knownFor |
being an early precursor to the German monarchy
ⓘ
formation of the East Frankish kingdom ⓘ role in the fragmentation of the Carolingian Empire ⓘ |
| languageSpoken |
Latin
ⓘ
Old High German ⓘ |
| mother | Judith of Bavaria ⓘ |
| nativeName |
Hludowicus Germanicus
ⓘ
Ludwig der Deutsche ⓘ |
| nobleFamily |
Carolingian dynasty
ⓘ
surface form:
Carolingians
|
| notableWork | participation in the Treaty of Verdun ⓘ |
| placeOfBirth | possibly Frankfurt ⓘ |
| placeOfDeath |
Frankfurt am Main
ⓘ
surface form:
Frankfurt
|
| positionHeld |
King of Bavaria
ⓘ
King of East Francia ⓘ King of the East Franks ⓘ |
| reignEnd | 876 ⓘ |
| reignStart |
817
ⓘ
843 ⓘ |
| religion |
Roman Catholicism
ⓘ
surface form:
Catholicism
Latin Church worldwide ⓘ
surface form:
Latin Church
|
| ruledTerritory |
Bavaria
ⓘ
Merania ⓘ
surface form:
Carantania
East Francia ⓘ parts of Franconia ⓘ parts of Saxony ⓘ parts of Thuringia ⓘ |
| sexOrGender | male ⓘ |
| sibling |
Charles the Bald
ⓘ
Lothair I ⓘ Pepin I of Aquitaine ⓘ |
| significantEvent |
Battle of Fontenoy (841, associated conflict)
ⓘ
Treaty of Mersen ⓘ
surface form:
Treaty of Ribemont (880, consequences of his policies)
Treaty of Verdun ⓘ
surface form:
Treaty of Verdun (843)
revolts against Louis the Pious ⓘ |
| spouse | Hemma of Altdorf ⓘ |
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 the German Description of subject: Louis the German was a 9th-century East Frankish king and grandson of Charlemagne who played a key role in the fragmentation of the Carolingian Empire and the formation of what would become Germany.
Referenced by (34)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Louis the Younger
subject surface form:
Louis the Pious
this entity surface form:
King Louis the German
this entity surface form:
East Francia – Louis the German
this entity surface form:
Louis the German (as overlord of eastern parts after partitions)