Keech v Sandford
E628500
Keech v Sandford is an 18th-century English trust law case establishing the strict fiduciary duty of loyalty, holding that trustees cannot personally profit from opportunities arising from their position.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Keech v Sandford canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6919446 — 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: Keech v Sandford Context triple: [Court of Chancery, notableCase, Keech v Sandford]
-
A.
DeBoer v. Snyder
DeBoer v. Snyder was a federal court case challenging Michigan’s same-sex marriage ban that became one of the key cases consolidated into the landmark Supreme Court decision in Obergefell v. Hodges, which legalized same-sex marriage nationwide.
-
B.
Arizona v. Johnson
Arizona v. Johnson is a 2009 U.S. Supreme Court case that clarified police authority to frisk passengers during lawful traffic stops when officers reasonably suspect they are armed and dangerous.
-
C.
Virginia v. Black
Virginia v. Black is a 2003 U.S. Supreme Court case that upheld a ban on cross burning carried out with intent to intimidate while clarifying the limits of First Amendment protection for hate speech and symbolic expression.
-
D.
Van Orden v. Perry
Van Orden v. Perry is a 2005 U.S. Supreme Court case that upheld the constitutionality of a Ten Commandments monument on Texas State Capitol grounds against an Establishment Clause challenge.
-
E.
Texas v. White
Texas v. White was an 1869 U.S. Supreme Court case that held the Union to be indestructible and that states could not unilaterally secede from it.
- 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: Keech v Sandford Target entity description: Keech v Sandford is an 18th-century English trust law case establishing the strict fiduciary duty of loyalty, holding that trustees cannot personally profit from opportunities arising from their position.
-
A.
DeBoer v. Snyder
DeBoer v. Snyder was a federal court case challenging Michigan’s same-sex marriage ban that became one of the key cases consolidated into the landmark Supreme Court decision in Obergefell v. Hodges, which legalized same-sex marriage nationwide.
-
B.
Arizona v. Johnson
Arizona v. Johnson is a 2009 U.S. Supreme Court case that clarified police authority to frisk passengers during lawful traffic stops when officers reasonably suspect they are armed and dangerous.
-
C.
Virginia v. Black
Virginia v. Black is a 2003 U.S. Supreme Court case that upheld a ban on cross burning carried out with intent to intimidate while clarifying the limits of First Amendment protection for hate speech and symbolic expression.
-
D.
Van Orden v. Perry
Van Orden v. Perry is a 2005 U.S. Supreme Court case that upheld the constitutionality of a Ten Commandments monument on Texas State Capitol grounds against an Establishment Clause challenge.
-
E.
Texas v. White
Texas v. White was an 1869 U.S. Supreme Court case that held the Union to be indestructible and that states could not unilaterally secede from it.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
English legal case
ⓘ
fiduciary law case ⓘ trust law case ⓘ |
| alsoKnownAs | Keech v Sandford (Trustees’ Lease Case) NERFINISHED ⓘ |
| appliesTo |
company directors
ⓘ
other fiduciaries ⓘ trustees ⓘ |
| areaOfLaw |
equity
ⓘ
fiduciary duties ⓘ trust law ⓘ |
| citationStyle | Keech v Sandford (1726) Sel Cas Ch 61 NERFINISHED ⓘ |
| coreIssue | whether a trustee may renew a lease for personal benefit when the landlord refuses to renew to the trust ⓘ |
| country | Kingdom of Great Britain ⓘ |
| court | Court of Chancery NERFINISHED ⓘ |
| decisionYear | 1726 ⓘ |
| establishesPrinciple |
a trustee cannot take for himself an opportunity that arises from the trust property
ⓘ
a trustee must not profit from his position ⓘ equity’s strict approach to fiduciary conflicts of interest ⓘ fiduciary must account for profits even if beneficiary could not have obtained the benefit ⓘ strict liability for fiduciaries who make unauthorized profits ⓘ |
| holding | trustee who renews a lease for himself must hold it on trust for the beneficiary ⓘ |
| influenced |
Boardman v Phipps
NERFINISHED
ⓘ
Bristol and West Building Society v Mothew NERFINISHED ⓘ Regal (Hastings) Ltd v Gulliver NERFINISHED ⓘ |
| involvesParty |
Keech
NERFINISHED
ⓘ
Sandford NERFINISHED ⓘ |
| involvesRole |
beneficiary
ⓘ
trustee ⓘ |
| jurisdiction | England ⓘ |
| languageOfRecord | English ⓘ |
| leadingCaseOn |
conflict of interest in fiduciary relationships
ⓘ
fiduciary duty of loyalty ⓘ no-profit rule for trustees ⓘ |
| legalPrincipleType |
no-conflict rule
ⓘ
no-profit rule ⓘ |
| legalSystem | common law ⓘ |
| reasoning | equity must be strict to prevent temptation for trustees to prefer their own interests ⓘ |
| remedy |
account of profits
ⓘ
constructive trust over the renewed lease ⓘ |
| status | good law ⓘ |
| subjectMatter |
lease of a market stall
ⓘ
renewal of lease held on trust ⓘ |
| taughtIn |
English law schools
ⓘ
common law jurisdictions ⓘ |
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: Keech v Sandford Description of subject: Keech v Sandford is an 18th-century English trust law case establishing the strict fiduciary duty of loyalty, holding that trustees cannot personally profit from opportunities arising from their position.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.