Definition
The Lords Appellants were five English noblemen who, between 1387 and 1388, seized effective control of royal government from King Richard II and used the mechanism of an "appeal of treason" in Parliament to prosecute and destroy several of the king's closest advisors and favorites. The five lords were Thomas of Woodstock (Duke of Gloucester), Richard FitzAlan (Earl of Arundel), Thomas de Beauchamp (Earl of Warwick), Henry Bolingbroke (Earl of Derby, later Henry IV), and Thomas de Mowbray (Earl of Nottingham).
The term derives from the specific parliamentary procedure they employed: an "appeal" in this medieval sense was a formal accusation of treason brought before Parliament rather than a common-law court. The Lords Appellants brought such appeals against the king's counselors — including Robert de Vere, Michael de la Pole, and others — in what became known as the Merciless Parliament of 1388.
Richard II eventually reasserted his authority. In 1397, he turned the procedure against the appellants themselves, bringing counter-appeals that resulted in the execution or exile of the surviving senior members of the group. Gloucester died in custody under suspicious circumstances; Arundel was executed; Warwick was exiled. Bolingbroke and Mowbray were banished following a dispute between them. Richard II simultaneously created a body of eighteen commissioners — twelve peers and six commoners — to act with full parliamentary powers during recess, functioning as a precursor to the modern Privy Council.
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Common Confusion
The word "appellant" in the Lords Appellants context does not carry its modern procedural meaning of a party who appeals a lower court's judgment to a higher court. The medieval "appeal of treason" was an accusatory device — closer to a criminal charge than to what modern lawyers mean by an appeal. Researchers encountering "appellant" in late fourteenth-century Parliamentary records should not read modern appellate procedure backward into that usage. The terminological overlap is a genuine trap in historical legal research.
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Why It Matters in Research
This term is primarily of significance to researchers working in English constitutional history, medieval parliamentary procedure, and the development of the royal prerogative. Several research traps are worth flagging:
First, the word "appellant" will appear in legal dictionaries and historical sources across vastly different centuries with entirely different meanings. A researcher indexing or searching historical sources must be alert to the medieval accusatory use versus the modern appellate use, as well as the intermediate sense in which "appeal" referred to trial by combat challenges between private parties.
Second, the Lords Appellants episode is central to understanding the constitutional instability of Richard II's reign and the legal mechanisms that preceded his deposition in 1399. Researchers examining the origins of Parliamentary sovereignty, the development of impeachment as a tool against royal favorites, or the early Privy Council will encounter this episode repeatedly.
Third, the eighteen commissioners Richard II created after neutralizing the appellants are historically significant as an early institutional attempt to formalize royal governance during parliamentary recess. This body appears in histories of the Privy Council and in accounts of the constitutional crises of the late fourteenth century.
Fourth, Bolingbroke's banishment and subsequent return as Henry IV gives the Lords Appellants episode direct relevance to succession law and the legitimacy debates that run through the Lancastrian and later the Wars of the Roses literature.
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Historical Dictionary Support
Black's Law Dictionary provides a compact entry identifying the five peers, their brief supersession of Richard II, and the king's eventual counter-move in 1397. It notes the creation of Richard's eighteen commissioners as a functional precursor to the Privy Council, citing Brown. The entry is accurate in its essentials but very sparse, offering no detail on the parliamentary appeal mechanism itself or the Merciless Parliament. It treats the Lords Appellants primarily as a constitutional curiosity rather than as a significant episode in the development of parliamentary procedure and royal prerogative.
Historical legal dictionaries in this period generally handle the Lords Appellants as a footnote to constitutional history rather than as a substantive legal doctrine. The absence of detailed treatment reflects that the term is a proper historical reference — describing a specific group of actors at a specific moment — rather than a continuing legal concept with ongoing doctrinal application.
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Jurisdictional Note
This term is exclusively English in origin and application. It has no counterpart in American, Scottish, or continental legal systems. Researchers outside English constitutional history will encounter it only in comparative or historical contexts.
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