Definition
Monstraverunt was a writ available to tenants holding lands in ancient demesne by free charter. It provided relief when a lord distrained such tenants to perform services or render customs beyond what the tenants or their ancestors had historically owed. The writ's name derives from the Latin for "they have shown" — the operative word of the writ's recitation, in which the complaining tenants showed to the court that excessive demands were being made. The writ is abolished and has no modern application.
Common Confusion
Monstraverunt is sometimes grouped loosely with the writ of ne vexes and other ancient demesne writs, but the writs served distinct functions. Ne vexes protected ancient demesne tenants from being impleaded in courts other than the lord's manorial court. Monstraverunt addressed a different grievance: the imposition of services heavier than custom warranted. A researcher conflating these writs will misread the nature of the tenant's complaint and the court in which relief was sought.
Why It Matters in Research
Monstraverunt is an extinct writ and will appear only in historical legal sources — primarily treatises, Year Books, and early English reports. Researchers encountering the term in primary sources should treat it as a marker of the ancient demesne tenure system, which occupied a peculiar constitutional and legal position in medieval and early modern English land law. Lands classified as ancient demesne — those held by the Crown at the time of Domesday — carried special protections for their customary tenants, and the writs that enforced those protections, including monstraverunt, form a discrete cluster within the law of real property actions.
The writ is most likely to surface in:
— Treatises on real actions (Fitzherbert's Natura Brevium, Coke on Littleton, and Register of Writs materials)
— Historical surveys of abolished writs
— Scholarly writing on villeinage and the gradations of customary tenure
Because monstraverunt belongs to the abolished writs, modern English law reports will not contain it as a live procedural matter. Any reference in a post-18th century source is almost certainly historical or academic. Researchers using Law Mind sources should pair this entry with ancient demesne materials to reconstruct the fuller tenure context.
Historical Dictionary Support
Rapalje and Lawrence's entry is brief, routing readers to Wharton for the substantive content. This is a pattern typical of the more obscure real actions: the commercial American law dictionaries of the 19th century acknowledged these writs but did not elaborate on them, reflecting the writs' irrelevance to contemporary American practice.
The Rapalje and Lawrence entry identifies the two defining features accurately: (1) the writ was limited to ancient demesne tenants holding by free charter, distinguishing them from villein tenants who held by copy of court roll and whose remedies lay elsewhere; and (2) the triggering condition was distraint for services beyond those established by custom. The entry's acknowledgment of abolition is correct — the real actions were progressively abolished in England, with the Common Law Procedure Acts of the 19th century completing the process.
Historical dictionaries as a class give thin treatment to monstraverunt. Researchers seeking depth will need to move beyond dictionary sources to Fitzherbert's Natura Brevium (the foundational register of writs) and secondary scholarship on the ancient demesne, where the writ receives more analytical attention in relation to the broader tenure structure it protected.
Jurisdictional Note
Monstraverunt was an English writ with no American transplant. Ancient demesne as a tenure category never existed in the American colonies or the United States, making this term exclusively relevant to English legal history research. No American jurisdiction recognized the writ.
Encyclopedia Cross-Reference
See: Ancient Demesne; Real Actions (Abolished Writs)