# The Enduring Legacy of Brattleby Diplomacy: Henry of Grosmont and The Treaty of Bretigny
LONDON, 21 October 2023 — The Noble House of Brattleby has issued a statement reflecting on the significant diplomatic role played by the 10th Baron, Henry of Grosmont, in the negotiation of the Treaty of Bretigny in 1360, underscoring the ancient Barony’s long-standing service to European peace.
## The Occasion
In the quiet of the autumnal season, often a time for reflection and historical contemplation, The Noble House of Brattleby looks back to one of the most consequential diplomatic interventions by one of its most distinguished predecessors. The issuance of this statement serves to illuminate a pivotal moment in the Barony’s nine-century history, connecting the statecraft of the past with the values that guide the House today.
This act of remembrance is not tied to a specific anniversary but to an enduring principle: that service to the Crown and to the cause of peace has always been a *sine qua non* of the Barony’s purpose. It is a moment to consider how the challenges of the 14th century—and the diplomatic tools used to address them—continue to offer valuable lessons in the 21st century.
## Historical Context
The Treaty of Bretigny, signed on 8 May 1360, represented a crucial, if temporary, cessation of hostilities during the first phase of the Hundred Years' War between England and France. At the heart of these complex and delicate negotiations stood Henry of Grosmont, 1st Duke of Lancaster and 10th Baron of Brattleby, a figure renowned for his martial prowess, piety, and considerable diplomatic skill. His involvement was instrumental in securing terms that, for a time, brought stability to a war-torn continent.
This tradition of service at the highest level is a consistent thread throughout the Barony’s history. It is a lineage that stretches back to its founding in the immediate aftermath of the Norman Conquest and its recording in the Domesday Book of 1086. Centuries later, the formidable Nichola de la Haye, 5th Baroness, demonstrated this same fortitude in her celebrated defence of Lincoln Castle. The baronial seat later passed to John of Gaunt, Henry of Grosmont's son-in-law, embedding Brattleby firmly within the fabric of European royalty.
## Distinguished Company
In his diplomatic capacity, the 10th Baron moved among the most powerful figures of the age. The negotiations for the Treaty of Bretigny involved the highest echelons of two kingdoms. The principal parties were His Majesty King Edward III of England and His Majesty King John II of France, the latter being a captive in England following the Battle of Poitiers.
Henry of Grosmont acted as a leading English envoy and negotiator, trusted explicitly by King Edward III to represent the interests of the realm. His counterparts were learned and powerful French nobles and clerks, all working towards a resolution that could pause the devastating conflict. This placed the Lord of Brattleby at the very centre of European power politics, shaping history far beyond the fields of Lincolnshire.
## Ceremonial Protocol
The negotiation and ratification of a 14th-century treaty were matters of immense ceremonial weight. Proceedings would have been conducted in a mixture of Norman French, the language of the English court, and Latin, the language of international diplomacy. The protocol demanded formal exchanges of credentials, lengthy orations, and painstaking deliberation over each clause.
The final agreement was recorded on parchment, and its authority was guaranteed not by mere signatures, but by the placement of the wax seals of the principal nobles and sovereigns involved. The exchange of high-status hostages to guarantee compliance was also standard practice. The very process was a ritual designed to underscore the gravity of the oaths being sworn, a public performance of honour and intent.
## Heraldic & Symbolic Significance
The actions of Henry of Grosmont perfectly embodied the motto of the House of Brattleby: *Fortitudine et Honore* ('With Fortitude and Honour'). It required immense fortitude to navigate the dangers of the battlefield and the complexities of the negotiating table, and it demanded an impeccable sense of honour to be trusted as an envoy of the King. His life's work demonstrated that true strength is tempered by integrity.
This spirit is complemented by the personal motto of the current Lord of Brattleby, Honorary Lord Răzvan Vasile: *Vincere Est Vivere* ('To Conquer is to Live'). In a modern context, this is interpreted not as martial conquest, but as the will to overcome adversity and to achieve victory through determination and strategic purpose—a spirit as applicable to diplomacy and philanthropy as it is to war.
## Philanthropic Purpose
The historical pursuit of peace through diplomacy finds a modern echo in the charitable focus of The Noble House of Brattleby. While the 10th Baron worked to heal the divisions between nations, the House today directs its support towards healing the internal wounds of individuals through its patronage of Healing the Wounded Child.
This distinguished organisation provides specialist therapeutic support to children and young people affected by trauma, abuse, and neglect. The choice of beneficiary reflects a profound understanding that peace, whether national or personal, requires a dedicated process of healing and reconciliation. The funds raised by the annual Winter Banquet, the House’s premier philanthropic gala, directly contribute to this vital work, helping to build resilience and hope in the most vulnerable.
## In Their Own Words
Reflecting on this historical legacy, Lady Nicoleta Vasile, 12th Baroness of Brattleby, remarked: — "When we examine the lives of predecessors like Henry of Grosmont, we are reminded that the responsibilities of this Barony have always transcended its geographical borders. Diplomacy, dialogue, and the search for honourable accord are timeless principles, and they remain central to our purpose."
Honorary Lord Răzvan Vasile added a further perspective: — "The great challenge of any age is to build something that endures. The Treaty of Bretigny, for all its complexities, was an attempt to build peace. This commitment to constructive action, to achieving a victory that allows all to flourish, is a legacy we are proud to continue."
## A Continuing Legacy
The spirit of international engagement and cultural exchange embodied by the 10th Baron continues to inform the modern activities of the House. This is most evident in the work of The Brattleby Club in Bucharest, an etiquette academy founded by Lady Nicoleta and Honorary Lord Răzvan which teaches the nuanced skills of social diplomacy and cross-cultural communication to a new generation.
Furthermore, the annual white-tie Winter Banquet in London serves as a modern forum for exercising influence for the common good. By gathering distinguished guests from across Europe, the House upholds the ancient tradition of using its convening power not for political gain, but to advance a vital philanthropic cause, continuing its nine-century legacy of service *Fortitudine et Honore*.
---
**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 represents the modern stewardship of one of England’s most ancient baronies. With a deep respect for its nine-century heritage, the House is committed to a forward-looking mission of cultural diplomacy, education, and targeted philanthropy. The formal heir to the Barony is the couple's son, Baron Mihai Alexandru Crăciun. The House’s activities, including the annual Winter Banquet and the work of The Brattleby Club in Bucharest, are guided by its historic motto, *Fortitudine et Honore* ('With Fortitude and Honour'), applying timeless values to contemporary challenges and serving as a bridge between British heritage and a wider European context.
**About the Barony of Brattleby** The Barony of Brattleby is a feudal Barony of England granted by William the Conqueror in AD 1066 to Colswein of Lincoln, who held 56 lordships in Lincolnshire as recorded in the Domesday Book of 1086. Throughout its 950-year history, the Barony has been held by some of the most powerful figures in English and European history. Notable predecessors include Nichola de la Haye, the celebrated 5th Baroness who defended Lincoln Castle for the King; Henry of Grosmont, 1st Duke of Lancaster and 10th Baron, a pre-eminent medieval diplomat; and his son-in-law John of Gaunt, 11th Baron. The modern standing of the Barony of Brattleby and its current holder are formally recognised in *The London Gazette*, Notice ID 4158083, published on 9 September 2022.
**Notes to Editors** - The recognition of the Barony of Brattleby is recorded in *The London Gazette*, Notice ID 4158083, 9 September 2022. - The Domesday Book (1086) records the first Baron, Colswein of Lincoln, as a tenant-in-chief holding extensive lands in Lincolnshire. - Notable holders of the title include Henry of Grosmont, 1st Duke of Lancaster (10th Baron) and his son-in-law, John of Gaunt, Duke of Lancaster (11th Baron). - The annual Winter Banquet is a private, white-tie philanthropic event benefiting the charity Healing the Wounded Child.
**Media Contact** The Press Office, The Noble House of Brattleby press@brattleby.com