The Antiqua consuetudo Normannie, or ‘part one’ of the so-called Très ancien coutumier of Normandy

Q: What does this research mean for the field?

The Antiqua consuetudo Normannie, as the first part of the Très ancien coutumier, illustrates the convergence of early English and French legal history in Normandy. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Ada Kuskowski

doi:10.1080/01440365.2026.2728753

September 8, 2026The Journal of Legal History

The Antiqua consuetudo Normannie, or ‘part one’ of the so-called Très ancien coutumier of Normandy

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Key Points

Investigate the origins, legal structure, and textual context of the Antiqua consuetudo Normannie within the broader framework of Anglo-Norman customary law.
Conducted textual and historiographical analysis of the legal manuscript known as part one of the Très ancien coutumier of Normandy.
Assessed comparative jurisdictional developments connecting medieval English kingship with feudal obligations to the French crown.
Demonstrated that early Anglo-Norman legal compilations reflect significant procedural convergence between French feudal customs and emergent English common law.
Identified the Antiqua consuetudo Normannie as a critical foundational text for documenting cross-Channel governance and legal administration.

Implication

Historical analysis uncovers legal convergence between English and French traditions in medieval Normandy, highlighting the jurisdictional role of Anglo-Norman customary law.

Abstract

The early history of law of England and France converge in Normandy for the well-known reason that the dukes of Normandy were kings of England and vassals of the kings of France. The clearest pictu...

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Cite This Study

Ada Kuskowski (2026) studied this question.

synapsesocial.com/papers/6aa27bfe58559d80afc758a5 https://doi.org/10.1080/01440365.2026.2728753

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The Antiqua consuetudo Normannie, or ‘part one’ of the so-called Très ancien coutumier of Normandy

Key Points

Implication

Abstract

Discussion

Cite This Study

The Antiqua consuetudo Normannie, or ‘part one’ of the so-called Très ancien coutumier of Normandy

Key Points

Implication

Abstract

Discussion

Cite This Study

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