Irena Krzyżanowska
E800356
Irena Krzyżanowska, better known as Irena Sendler, was a Polish social worker and humanitarian who helped rescue thousands of Jewish children from the Warsaw Ghetto during World War II.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Irena Krzyżanowska canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9261627 — 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: Irena Krzyżanowska Context triple: [Irena Sendler, birthName, Irena Krzyżanowska]
-
A.
Irena Komorowska
Irena Komorowska was the wife of Polish resistance leader and Home Army commander Tadeusz Bór-Komorowski.
-
B.
Maria Jankowska
Maria Jankowska was a Polish political activist known for her pioneering role in the early socialist movement in Poland.
-
C.
Joanna Grudzińska
Joanna Grudzińska was a Polish noblewoman best known as the morganatic wife of Grand Duke Constantine Pavlovich of Russia and thus a prominent figure in early 19th-century Polish-Russian court life.
-
D.
Jolanta Kwaśniewska
Jolanta Kwaśniewska is a Polish lawyer, charity activist, and former First Lady of Poland known for her social and philanthropic work.
-
E.
Wanda Krahelska-Filipowicz
Wanda Krahelska-Filipowicz was a Polish socialist activist and resistance figure best known for her role in organizing aid for Jews during World War II and her involvement in the Polish underground.
- 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: Irena Krzyżanowska Target entity description: Irena Krzyżanowska, better known as Irena Sendler, was a Polish social worker and humanitarian who helped rescue thousands of Jewish children from the Warsaw Ghetto during World War II.
-
A.
Irena Komorowska
Irena Komorowska was the wife of Polish resistance leader and Home Army commander Tadeusz Bór-Komorowski.
-
B.
Maria Jankowska
Maria Jankowska was a Polish political activist known for her pioneering role in the early socialist movement in Poland.
-
C.
Joanna Grudzińska
Joanna Grudzińska was a Polish noblewoman best known as the morganatic wife of Grand Duke Constantine Pavlovich of Russia and thus a prominent figure in early 19th-century Polish-Russian court life.
-
D.
Jolanta Kwaśniewska
Jolanta Kwaśniewska is a Polish lawyer, charity activist, and former First Lady of Poland known for her social and philanthropic work.
-
E.
Wanda Krahelska-Filipowicz
Wanda Krahelska-Filipowicz was a Polish socialist activist and resistance figure best known for her role in organizing aid for Jews during World War II and her involvement in the Polish underground.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Righteous Among the Nations
ⓘ
human ⓘ social worker ⓘ |
| alsoKnownAs |
Irena Sendler
NERFINISHED
ⓘ
Irena Sendlerowa NERFINISHED ⓘ |
| awardReceived |
Commander's Cross with Star of the Order of Polonia Restituta
NERFINISHED
ⓘ
Jan Karski Award NERFINISHED ⓘ Order of the White Eagle NERFINISHED ⓘ Righteous Among the Nations NERFINISHED ⓘ |
| burialPlace | Powązki Cemetery NERFINISHED ⓘ |
| causeOfDeath | pneumonia ⓘ |
| conflict | World War II ⓘ |
| countryOfBirth | Poland NERFINISHED ⓘ |
| countryOfCitizenship | Poland ⓘ |
| dateOfBirth | 1910-02-15 ⓘ |
| dateOfDeath | 2008-05-12 ⓘ |
| educatedAt | University of Warsaw NERFINISHED ⓘ |
| ethnicGroup | Poles ⓘ |
| familyName | Krzyżanowska NERFINISHED ⓘ |
| fieldOfWork |
child protection
ⓘ
humanitarian aid ⓘ social welfare ⓘ |
| gender | female ⓘ |
| genreOfActivity | resistance ⓘ |
| givenName | Irena NERFINISHED ⓘ |
| hasSignature | signature of Irena Sendler ⓘ |
| honorificTitle | Righteous Among the Nations NERFINISHED ⓘ |
| languageSpoken | Polish ⓘ |
| memberOf |
Polish Socialist Party
NERFINISHED
ⓘ
Żegota NERFINISHED ⓘ |
| movement |
Polish Underground State
NERFINISHED
ⓘ
Żegota NERFINISHED ⓘ |
| name | Irena Krzyżanowska NERFINISHED ⓘ |
| notableFor |
humanitarian work during World War II
ⓘ
rescuing Jewish children from the Warsaw Ghetto ⓘ |
| numberOfPeopleRescued | approximately 2500 Jewish children ⓘ |
| occupation |
nurse
ⓘ
social worker ⓘ teacher ⓘ |
| parent | Stanisław Krzyżanowski NERFINISHED ⓘ |
| participatedIn | rescue of Jewish children from the Warsaw Ghetto ⓘ |
| placeOfBirth | Warsaw NERFINISHED ⓘ |
| placeOfDeath | Warsaw NERFINISHED ⓘ |
| religion | Roman Catholicism ⓘ |
| residence | Warsaw NERFINISHED ⓘ |
| spouse |
Mieczysław Sendler
NERFINISHED
ⓘ
Stefan Zgrzembski NERFINISHED ⓘ |
| workedAt | Warsaw Social Welfare Department 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: Irena Krzyżanowska Description of subject: Irena Krzyżanowska, better known as Irena Sendler, was a Polish social worker and humanitarian who helped rescue thousands of Jewish children from the Warsaw Ghetto during World War II.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.