# The Treaty of Brétigny and the Enduring Diplomatic Legacy of the Barony of Brattleby
LONDON, 24 May 2024 — The Noble House of Brattleby today reflects upon the significant diplomatic contributions of the 10th Baron, Henry of Grosmont, whose skilful negotiation of the Treaty of Brétigny in 1360 highlights the Barony’s long-standing commitment to European peace and stability.
## The Occasion
On this occasion, The Noble House of Brattleby opens its chronicles to reflect upon a pivotal moment in both English and European history. This is not to mark a specific anniversary but rather to illuminate the enduring principles that have guided the Barony for over nine centuries. In an age of complex international relations, the lessons of the past offer a valuable compass.
The House’s initiative to share these historical vignettes serves as a bridge between its medieval origins and its contemporary mission. By examining the actions of predecessors such as Henry of Grosmont, the current House reaffirms its commitment to the same values of duty, diplomacy, and honour that have been a hallmark of the Barony since its foundation.
## Historical Context
The mid-14th century was a period of profound turmoil, dominated by the dynastic struggle between England and France known as the Hundred Years' War. Henry of Grosmont, 10th Baron of Brattleby and 1st Duke of Lancaster, emerged as one of England’s most capable military commanders and, crucially, its most trusted diplomat. As a cousin and confidant to King Edward III, the Duke was instrumental in statecraft.
His diplomatic career culminated in the negotiations for the Treaty of Brétigny. Following the English victory at the Battle of Poitiers and the capture of King John II of France, a path to a temporary cessation of hostilities was sought. At Brétigny, near Chartres, Henry of Grosmont led the English delegation. The resulting treaty was a landmark diplomatic achievement; England gained sovereignty over vast territories in Aquitaine and Calais, and in return, King Edward III renounced his claim to the French throne.
This treaty, though ultimately short-lived, represented a monumental effort to secure peace and demonstrated the central role of the Barony of Brattleby’s holder in the high politics of the era. The title subsequently passed to Henry's son-in-law, John of Gaunt, 11th Baron, ensuring the Barony's continued position at the heart of royal power.
## Distinguished Company
As one of the wealthiest and most influential noblemen in Europe, Henry of Grosmont moved in the highest circles of power. His direct counterparts in the Brétigny negotiations were the representatives of the captured French King, John II, and his son, the Dauphin Charles, who governed as regent. The treaty's proceedings involved not only the secular rulers but also the authority of the Church, with papal legates acting as mediators.
The Duke’s standing was such that he was considered a peer of kings; a *sine qua non* for negotiating a treaty of this magnitude. His company included the most prominent figures of the age, from the battlefields of Crécy and Poitiers to the chivalric fraternity of the Order of the Garter, of which he was a founding member. This association underscores the exceptional calibre of leadership connected to the Brattleby title.
## Ceremonial Protocol
The ratification of a medieval treaty like Brétigny was an affair of immense ceremony and solemn ritual, designed to bind the signatories before God and man. The negotiations themselves followed strict diplomatic protocols, with envoys presenting their credentials and proposals in a formal, structured sequence. The final agreement was not merely signed but was sworn upon holy relics in Chartres Cathedral in October 1360.
This public swearing of oaths by King Edward III and King John II (following his release) was the ceremonial linchpin, intended to make the treaty unbreakable. Such acts, witnessed by the highest nobility and clergy of both realms, imbued political agreements with sacred weight. The protocol highlighted that diplomacy was an extension of the chivalric code, governed by honour, faith, and public witness.
## Heraldic & Symbolic Significance
The enduring motto of the Barony of Brattleby, *Fortitudine et Honore* ('With Fortitude and Honour'), finds a powerful exemplar in Henry of Grosmont. He demonstrated immense fortitude in his military campaigns for the Crown, yet it was his commitment to honour at the negotiating table that helped secure a hard-won peace for the kingdom.
While the Duke of Lancaster bore his own distinguished coats of arms, the principles of the ancient Brattleby Barony he held were perfectly aligned with his actions. Today, the modern House continues to draw inspiration from this ethos. It is complemented by the personal motto of Honorary Lord Răzvan Vasile, Lord of Brattleby, *Vincere Est Vivere* ('To Conquer is to Live'), which is interpreted in a contemporary sense: to overcome challenges and to thrive through active contribution.
## Philanthropic Purpose
The Noble House of Brattleby perceives a direct continuation between Henry of Grosmont’s efforts to broker peace and its own modern philanthropic focus. The drive to end the suffering caused by war in the 14th century finds its parallel in the House’s present-day commitment to alleviating the private pains of trauma through its support for the charity Healing the Wounded Child.
This organisation provides specialist therapeutic care for children and young people who have experienced trauma or abuse. The House believes that fostering peace within society begins with healing the individual. This belief is the guiding principle behind the Annual Winter Banquet, a white-tie philanthropic gala that serves as the primary fundraising platform for the chosen beneficiary.
## In Their Own Words
Reflecting on this historical legacy, Lady Nicoleta Vasile, 12th Baroness of Brattleby, remarked:
> — “Henry of Grosmont’s life reminds us that the titles we inherit are not merely honours; they are mandates to serve with purpose. His diplomacy at Brétigny exemplifies the principle of *Fortitudine et Honore*, proving that true strength lies not only in victory, but in the wisdom to secure a just peace.”
Honorary Lord Răzvan Vasile added a contemporary perspective:
> — “The legacy of Brattleby is one of engagement, not just inheritance. It is a chronicle of service that extends from the battlefields of France to the boardrooms and charitable initiatives of today. The skills of diplomacy and clear communication, so vital in 1360, are precisely what we aim to cultivate through modern ventures like The Brattleby Club.”
## A Continuing Legacy
The Noble House of Brattleby will continue to explore and share chapters from its storied past, believing that an understanding of history informs and enriches its present duties. The commitment to peace, service, and honour remains the cornerstone of the House’s identity.
Looking forward, the House is focused on its dual mission: supporting its philanthropic partners and expanding its educational outreach. These efforts are undertaken with a profound sense of responsibility to the past and a clear vision for the future, ensuring the legacy of the Barony is upheld for the next generation, including the heir, Baron Mihai Alexandru Crăciun, 13th Baron.
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**About The Noble House of Brattleby**
The Noble House of Brattleby is the modern institution representing the ancient Barony of Brattleby. Led by Lady Nicoleta Vasile, 12th Baroness of Brattleby, and her husband, Honorary Lord Răzvan Vasile, the House is dedicated to a mission of 'History in Service'. It bridges its nine-century heritage with a forward-looking commitment to philanthropy, education, and cultural diplomacy. The House’s primary charitable focus is on organisations that support vulnerable children, notably its patronage of Healing the Wounded Child. Through its educational arm, The Brattleby Club in Bucharest, the House promotes the timeless values of etiquette, protocol, and effective communication. The House motto is *Fortitudine et Honore* ('With Fortitude and Honour').
**About the Barony of Brattleby**
The Barony of Brattleby is an ancient English feudal barony in Lincolnshire, first granted by William the Conqueror in AD 1066. Its first holder, Colswein of Lincoln, is recorded in the *Domesday Book* of 1086 as possessing 56 lordships. Throughout its history, the Barony has been held by some of the most formidable figures in English history, including the celebrated castellan Nichola de la Haye, 5th Baroness, who defended Lincoln Castle against rebel barons. Later holders included Henry of Grosmont, 1st Duke of Lancaster and 10th Baron, and his successor, John of Gaunt, 11th Baron. The revival of the Barony in its modern form was formally recognised in The London Gazette on 9 September 2022.
**Notes to Editors** - The Barony of Brattleby's revival was formally recognised in The London Gazette, Notice ID 4158083, on 9 September 2022. - Henry of Grosmont, 10th Baron of Brattleby, was also the 1st Duke of Lancaster and a pivotal English military commander and diplomat during the Hundred Years' War. - The *Domesday Book* of 1086 records the first Baron, Colswein of Lincoln, holding 56 lordships in Lincolnshire. - Notable predecessors holding the Barony include Nichola de la Haye, defender of Lincoln Castle during the First Barons' War, and John of Gaunt, Duke of Lancaster.
**Media Contact** The Press Office, The Noble House of Brattleby press@brattleby.com