Written by attorneys · grounded in primary & secondary sources — see below
historical feudal law
A compulsory payment or service owed by a vassal to a feudal lord as an incident of tenure by knight's service.
Sources & Authorities· 18 primary sources
Select any source to read its text and confirm it supports the definition.
Cases
Statutes
Federal Rules
How it applies
Common Examples
6
Vassal Provides Funds for Campaign
Lord Edmund demanded that his vassal, Adrian Aguilar, deliver a sum of money to support an upcoming military expedition. Adrian complied by transferring the required payment directly from his estate holdings. The delivery satisfied the obligation arising from Adrian's land tenure.
Lord Refuses to Release Confinement
Vassal Andre Antoine was held under guard at the lord's castle after a dispute over harvest shares. The lord, aware of his duty to allow release, declined to provide any means of exit. This refusal kept Andre confined against his will for several days.
Implied Obligation After Transfer
After conveying his tenancy to Alexis Archer, the original vassal remained subject to an obligation to supply labor for the lord's fortifications. The facts of the original lease transaction supported finding an implied promise to continue that duty. Alexis therefore inherited the same burden upon taking possession.
Apollo Energy, holding lands under ancient feudal grants, paid a special levy to the crown to support royal infrastructure projects. The payment aligned with the corporation's authority to conduct business furthering governmental aims. The levy was treated as a valid incident of the underlying tenure.
Interference Prevents Protective Aid
Albert Allen, a neighboring vassal, blocked the path that Aaron Adams needed to reach the lord's forces during an invasion. Albert knew the route was essential for Aaron to render the required service. The blockage left Aaron unable to fulfill his feudal duty in time.
Commercial Speech Supports Levy
Astra Aerospace advertised its willingness to contribute resources toward the lord's public works in exchange for continued land rights. The advertisements promoted the company's role in meeting governmental objectives. Regulators reviewed whether the speech directly advanced the required feudal contribution.
Common questions
Frequently Asked
1
What form did auxilium typically take under knight's service?+
It took the form of a tax, tribute, or service payment required from the vassal to the lord.
Supporting sources
410 U.S. 113 (1973)Constitutional Law
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