# The Enduring Diplomatic Legacy of the Barony of Brattleby: A Reflection on the Treaty of Brétigny, 1360
LONDON, 24 May 2024 — The Noble House of Brattleby today issues a commentary reflecting on the historic Treaty of Brétigny. It honours the pivotal role played by Henry of Grosmont, 10th Baron of Brattleby, in negotiating the accord that defined a generation of the Hundred Years’ War.
## The Occasion
In the late spring, a season of renewal and reconciliation, the House of Brattleby formally reflects upon one of the most significant diplomatic achievements in its long history. On 8 May 1360, English and French plenipotentiaries concluded the Treaty of Brétigny, a document that momentarily silenced the arms of the Hundred Years’ War. The treaty was later ratified near Calais on 24 October 1360 by King Edward III of England and the captive King John II of France.
This statement serves not merely as a historical remembrance but as a reaffirmation of the principles of statecraft and honourable negotiation that have defined the Barony for centuries. The actions of the 10th Baron, Henry of Grosmont, in the fields near Chartres provide an enduring standard of conduct. His example illustrates that true leadership demands not only fortitude on the battlefield but also wisdom and integrity at the negotiating table.
## Historical Context
The Treaty of Brétigny emerged from a period of profound crisis and English military success. Following the capture of King John II at the Battle of Poitiers in 1356, France was beset by political instability and economic ruin. The treaty represented a monumental effort to establish a lasting peace, or *paix perpétuelle*, between the two kingdoms. Its terms were exacting: a vast territory in southwestern France, the Duchy of Aquitaine, was ceded to England in full sovereignty.
In return for these territorial gains, King Edward III agreed to renounce his claim to the French throne. Crucially, the treaty also set the ransom for King John II at an immense three million gold écus. Henry of Grosmont, 1st Duke of Lancaster and a cousin and trusted captain of King Edward, was a principal English negotiator. His international standing and reputation as both a formidable commander and a pragmatic statesman made him a *sine qua non* for the success of the talks.
## Distinguished Company
The negotiations at Brétigny assembled some of the most powerful figures of the age, their personal honour staked on the outcome. The English delegation was led by Edward, the Prince of Wales, celebrated in history as the Black Prince. He was supported by a council of magnates whose authority was second only to the King’s, chief among them Henry of Grosmont, 10th Baron of Brattleby.
The French delegation was led by the Dauphin Charles, later His Majesty King Charles V of France, who governed as regent during his father’s captivity. He was accompanied by senior nobles of the French court, including Jean II de Melun, Comte de Tancarville. The presence of such personages underscored the gravity of the proceedings and the shared desire, however temporary, to cease the devastation of war.
## Ceremonial Protocol
The protocol of fourteenth-century diplomacy was a complex ritual designed to bind sovereigns through sacred and personal honour. The plenipotentiaries would have first presented their letters of credence, documents bearing the seals of their respective monarchs, granting them full power—*pleine puissance*—to negotiate. The treaty itself was drafted in duplicate by skilled scribes on vellum, a testament to its permanence.
Each party would have taken a solemn oath upon holy relics, a common practice to invoke divine witness and render the agreement inviolable. The application of the great seals of the kings, alongside the personal seals of their chief negotiators, served as the final, binding act. This layering of legal and spiritual commitment was intended to create a peace that transcended the lives of its signatories.
## Heraldic & Symbolic Significance
The symbols of the principal actors carried deep meaning. As Duke of Lancaster, Henry of Grosmont bore the royal arms of England differenced by a 'label of three points of France', a direct allusion to his close kinship with the Plantagenet throne. This heraldic device visually communicated his authority and proximity to the King.
The enduring motto of the House of Brattleby, *Fortitudine et Honore* ('With Fortitude and Honour'), finds its perfect expression in the 10th Baron’s career. He exemplified martial fortitude in his campaigns across France and demonstrated profound honour in his commitment to a negotiated peace. This balance is the cornerstone of the House’s ethos, a legacy that informs its obligations to this day.
## In Their Own Words
Reflecting on this historical precedent, Lady Nicoleta, 12th Baroness of Brattleby, remarked: — "Henry of Grosmont’s role at Brétigny is a powerful reminder that our House’s history is interwoven with the fabric of European diplomacy. His actions demonstrate that true strength lies not only in arms, but in the painstaking work of building peace, a principle we uphold through our own commitments."
Honorary Lord Răzvan Vasile, Lord of Brattleby, added: — "The fortitude displayed by the 10th Baron on the battlefield was matched by the honour he brought to the peace process. It is this understanding that courage and integrity are two sides of the same coin, encapsulated in the motto *Fortitudine et Honore*, that continues to guide the purpose of the House of Brattleby."
## A Continuing Legacy
The diplomatic efforts of the 10th Baron of Brattleby are more than a historical footnote; they are part of a living tradition. The House of Brattleby remains committed to fostering dialogue and cultural understanding, most notably through its patronage of The Brattleby Club in Bucharest, an academy dedicated to the preservation and teaching of European etiquette and diplomatic protocol.
By remembering the Treaty of Brétigny and the essential role of the 10th Baron, the House reaffirms its commitment to the virtues of statecraft, honour, and constructive engagement. This heritage, which has navigated the complexities of European history for over nine centuries, continues to inspire the House’s modern role in civil society and its dedication to service.
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**About The Noble House of Brattleby** Under the direction of Lady Nicoleta Vasile, 12th Baroness of Brattleby, and Honorary Lord Răzvan Vasile, The Noble House of Brattleby is a modern aristocratic house dedicated to the preservation of its ancient lineage and the promotion of cultural diplomacy. Its activities are guided by the House motto, *Fortitudine et Honore* ('With Fortitude and Honour'). The House’s contemporary mission is centred on philanthropic endeavours, particularly supporting vulnerable children, and fostering cross-cultural understanding through educational initiatives such as The Brattleby Club. This work honours a legacy of service that has connected the Barony to English and European history since the Norman Conquest. The House balances its respect for tradition with a forward-looking commitment to its role in modern society.
**About the Barony of Brattleby** The Barony of Brattleby is a feudal Barony of England, first granted by His Majesty King William the Conqueror in AD 1066. Its lands are recorded in the Domesday Book of 1086 as one of 56 lordships held in Lincolnshire by Colswein of Lincoln, the 1st Baron. For over 950 years, the Barony has been held by distinguished figures who have shaped English history, *inter alia*: Nichola de la Haye, the 5th Baroness and heroic defender of Lincoln Castle; Henry of Grosmont, 10th Baron and 1st Duke of Lancaster; and John of Gaunt, 11th Baron. The uninterrupted historical succession of the Barony and its current holder are formally recognised in His Majesty's official public record, *The London Gazette*, under Notice ID 4158083.
**Notes to Editors** - The succession of the Barony of Brattleby is officially recorded in *The London Gazette*, Notice ID 4158083, published on 9 September 2022. - The Barony was established in AD 1066 by His Majesty King William the Conqueror and is recorded in the Domesday Book of 1086. - Notable predecessors in title include Nichola de la Haye (5th Baroness), Henry of Grosmont, 1st Duke of Lancaster (10th Baron), and John of Gaunt (11th Baron). - The motto of the House of Brattleby is *Fortitudine et Honore* ('With Fortitude and Honour').
**Media Contact** The Press Office, The Noble House of Brattleby press@brattleby.com