Tracy Cernan
E688575
Tracy Cernan is the daughter of astronaut Eugene Cernan, the last person to walk on the Moon.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tracy Cernan canonical | 4 |
| Cernan | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7732858 — 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: Tracy Cernan Context triple: [Eugene Cernan, hasChild, Tracy Cernan]
-
A.
Stuart A. Roosa
Stuart A. Roosa was a NASA astronaut and command module pilot on Apollo 14, known for orbiting the Moon while his crewmates explored the lunar surface.
-
B.
Eugene Cernan
Eugene Cernan was an American astronaut, naval aviator, and engineer best known as the commander of Apollo 17 and the last person to walk on the Moon.
-
C.
James B. Irwin
James B. Irwin was a NASA astronaut and Air Force colonel who became the eighth person to walk on the Moon during the Apollo 15 mission.
-
D.
Ken Mattingly
Ken Mattingly was a NASA astronaut and U.S. Navy rear admiral best known for his roles in the Apollo and Space Shuttle programs, including serving as command module pilot on Apollo 16.
-
E.
Fred Haise
Fred Haise is an American astronaut and test pilot best known as the lunar module pilot on the ill-fated Apollo 13 mission.
- 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: Tracy Cernan Target entity description: Tracy Cernan is the daughter of astronaut Eugene Cernan, the last person to walk on the Moon.
-
A.
Stuart A. Roosa
Stuart A. Roosa was a NASA astronaut and command module pilot on Apollo 14, known for orbiting the Moon while his crewmates explored the lunar surface.
-
B.
Eugene Cernan
Eugene Cernan was an American astronaut, naval aviator, and engineer best known as the commander of Apollo 17 and the last person to walk on the Moon.
-
C.
James B. Irwin
James B. Irwin was a NASA astronaut and Air Force colonel who became the eighth person to walk on the Moon during the Apollo 15 mission.
-
D.
Ken Mattingly
Ken Mattingly was a NASA astronaut and U.S. Navy rear admiral best known for his roles in the Apollo and Space Shuttle programs, including serving as command module pilot on Apollo 16.
-
E.
Fred Haise
Fred Haise is an American astronaut and test pilot best known as the lunar module pilot on the ill-fated Apollo 13 mission.
- F. None of above. chosen
Statements (12)
| Predicate | Object |
|---|---|
| instanceOf | human ⓘ |
| associatedWith |
Apollo 17 mission
ⓘ
linked to:
Apollo 17
|
| child | Tracy Cernan ⓘ |
| childOf | Eugene Cernan ⓘ |
| familyName |
Cernan
ⓘ
linked to:
Tracy Cernan
|
| hasGender | female ⓘ |
| lastWalkedOn | Moon ⓘ |
| mentionedIn |
Eugene Cernan’s memoir "The Last Man on the Moon"
ⓘ
linked to:
The Last Man on the Moon
|
| notableFor | being the daughter of astronaut Eugene Cernan ⓘ |
| occupation | astronaut ⓘ |
| parent | Eugene Cernan ⓘ |
| parentOf | Tracy Cernan ⓘ |
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: Tracy Cernan Description of subject: Tracy Cernan is the daughter of astronaut Eugene Cernan, the last person to walk on the Moon.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.