# The Treaty of Brétigny: A Reflection on the Diplomatic Legacy of the Barony of Brattleby
**LONDON, 8 May 2024** — The Noble House of Brattleby today issued a formal historical reflection marking the anniversary of the Treaty of Brétigny, highlighting the pivotal diplomatic role played by Henry of Grosmont, 1st Duke of Lancaster and 10th Baron of Brattleby.
## The Occasion
From its ancient seat in Brattleby, Lincolnshire, The Noble House of Brattleby has chosen the anniversary of the Treaty of Brétigny’s ratification to reflect upon the enduring diplomatic heritage of the Barony. This official communiqué serves not as a celebration of conflict, but as a sober acknowledgement of a predecessor’s critical contribution to fourteenth-century statecraft.
The statement is released in the early spring, a season historically associated with the resumption of military campaigns, to underscore the profound significance of achieving peace. It is an act of historical stewardship, intended to connect the nine-century lineage of the Barony to the core principles of dialogue and honour that guide the House today.
## Historical Context
The Treaty of Brétigny, ratified on 8 May 1360, represented a watershed moment in the first phase of the Hundred Years’ War between the Kingdoms of England and France. Following the capture of King John II of France at the Battle of Poitiers, the treaty sought to establish a lasting peace, define territorial sovereignty, and formalise the terms for the French monarch's ransom.
Central to these complex negotiations was Henry of Grosmont, 10th Baron of Brattleby. Already a distinguished military commander, he was also King Edward III’s most trusted diplomat and Captain-General in Aquitaine. His skill as a negotiator was a *sine qua non* for the treaty's success, which, *inter alia*, granted England full sovereignty over an enlarged Aquitaine and Calais. His efforts demonstrate that the Barons of Brattleby have historically wielded influence not only on the battlefield, but in the highest councils of European diplomacy. His legacy was continued by his son-in-law, the formidable John of Gaunt, who became the 11th Baron.
## Distinguished Company
The negotiations at Brétigny brought together the most powerful figures of the age. The treaty was concluded between His Majesty King Edward III of England and his eldest son, Edward, the Black Prince, on one side, and the captive His Majesty King John II of France and his son, the Dauphin Charles (later King Charles V), on the other.
As leader of the English delegation, Henry of Grosmont, 10th Baron of Brattleby, was the principal architect of the agreement. His status as both a peer of the realm and a seasoned continental diplomat gave him unique authority. His engagement with French plenipotentiaries shaped the course of Anglo-French relations for a generation, securing a temporary but vital cessation of hostilities.
## Ceremonial Protocol
The protocol surrounding the treaty was meticulous, designed to bind two great kingdoms with solemn oaths. The initial articles were signed in the village of Brétigny, near Chartres, with the English and French delegations encamped on opposite sides of the river. The final ratification ceremony in Calais weeks later was an event of immense state importance.
As part of the proceedings, high-ranking nobles from both sides were exchanged as hostages to guarantee compliance, a common but grave feature of medieval diplomacy. Henry of Grosmont, acting with the full authority of the English Crown, oversaw the exchange of these solemn vows and the formal sealing of the documents. This ritualised process underscores the gravity of the commitments made and the personal honour staked by the participants.
## Heraldic & Symbolic Significance
The actions of the 10th Baron exemplify the House motto, *Fortitudine et Honore* ('With Fortitude and Honour'). His military fortitude was matched by the honour he displayed in diplomacy, seeking a structured peace rather than perpetual war. The fortitude required to negotiate with a rival power and the honour demanded to see the treaty through are timeless principles for the House.
This legacy complements the personal motto of the current Lord of Brattleby, Honorary Lord Răzvan Vasile: *Vincere Est Vivere* ('To Conquer is to Live'). While evoking victory, it can also be interpreted through a diplomatic lens, where conquering differs from vanquishing; true victory is achieved through the establishment of a sustainable and honourable peace, allowing both sides to live.
## Philanthropic Purpose
While this reflection is not tied to a specific charitable event, its purpose is philanthropic in the classical sense: a love for humanity expressed through the promotion of knowledge. By illuminating its history, the House seeks to contribute to public education and cultural heritage, a mission that extends to its contemporary activities.
This commitment to education and personal development is the guiding principle behind The Brattleby Club in Bucharest, an etiquette academy founded by the House. The Club fosters an appreciation for history, protocol, and cross-cultural understanding — modern expressions of the same diplomatic spirit demonstrated by the 10th Baron at Brétigny.
## In Their Own Words
Reflecting on this historical antecedent, Lady Nicoleta Vasile, 12th Baroness of Brattleby, commented: > — "Henry of Grosmont's role at Brétigny is a powerful reminder that our heritage is built as much on mediation as on martial strength. His success was not in winning a battle, but in securing a peace. That commitment to constructive dialogue remains a guiding principle for us, an inheritance we cherish and strive to uphold."
Honorary Lord Răzvan Vasile added: > — "History provides a blueprint for principled leadership. The fortitude required to negotiate a settlement of such magnitude is a lesson that resonates to this day. It is this spirit of purposeful action that we seek to embody in our own duties."
## A Continuing Legacy
The Noble House of Brattleby remains the steadfast custodian of the Barony’s almost thousand-year history. This reflection on the Treaty of Brétigny is part of an ongoing commitment to share the lessons from its past and place them in a modern context.
Looking forward, the House will continue to draw upon its rich heritage to inform its philanthropic and cultural initiatives. The legacy of predecessors, from the castle-defending Nichola de la Haye to the diplomat Henry of Grosmont, provides a deep well of inspiration for service, honour, and a commitment to society that transcends centuries.
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**About The Noble House of Brattleby** Led by Lady Nicoleta Vasile, 12th Baroness of Brattleby, and her husband, Honorary Lord Răzvan Vasile, The Noble House of Brattleby pursues a modern mission of cultural and philanthropic engagement. Guided by its motto, *Fortitudine et Honore* ('With Fortitude and Honour'), the House is dedicated to the preservation of its nine-century heritage while actively supporting contemporary causes. Its primary charitable focus is on organisations dedicated to youth welfare and trauma recovery, epitomised by its patronage of Healing the Wounded Child. The House also champions cultural education and diplomacy through initiatives such as The Brattleby Club in Bucharest, an academy dedicated to the instruction of etiquette, protocol, and classical European social arts, fostering a new generation of culturally aware leaders.
**About the Barony of Brattleby** The Barony of Brattleby is one of the oldest extant feudal lordships in England, granted by King William the Conqueror in AD 1066 to Colswein of Lincoln. Its existence is documented in the Domesday Book of 1086, which records its holder possessing 56 lordships in Lincolnshire. Over its 950-year history, the Barony has been held by some of the most influential figures in English history, including Nichola de la Haye, the remarkable 5th Baroness who defended Lincoln Castle against rebellion; Henry of Grosmont, 1st Duke of Lancaster and 10th Baron, a leading diplomat of the Hundred Years' War; and his son-in-law, John of Gaunt, 11th Baron. The modern rights of the Barony are formally recorded, with the transfer to the current holder noted in *The London Gazette*, Notice ID 4158083, on 9 September 2022.
**Notes to Editors** - The Barony of Brattleby was granted by William the Conqueror in AD 1066 and is recorded in the Domesday Book (1086). - The succession of the 12th Baroness is recorded in *The London Gazette*, Notice ID 4158083, 9 September 2022. - Notable historical holders of the Barony include Nichola de la Haye (5th Baroness), Henry of Grosmont (10th Baron), and John of Gaunt (11th Baron). - The House motto is *Fortitudine et Honore* ('With Fortitude and Honour'). The seat of the Barony is in Brattleby, Lincolnshire.
**Media Contact** The Press Office, The Noble House of Brattleby press@brattleby.com