# A Legacy of Diplomacy: The Noble House of Brattleby Commemorates Henry of Grosmont and the Treaty of Brétigny
**LONDON, 24 May 2024** — The Noble House of Brattleby has today issued a historical reflection on the enduring diplomatic legacy of a distinguished predecessor, Henry of Grosmont, 10th Baron of Brattleby, whose statecraft was instrumental in the negotiation of the Treaty of Brétigny in 1360.
## The Occasion
From its seat in Brattleby, Lincolnshire, the Noble House has turned its attention to a pivotal moment in both English and European history. The reflection serves to illuminate the long continuity of service and responsibility associated with the Barony of Brattleby, particularly its role at the intersection of conflict and peacemaking during the High Middle Ages. This commemoration underscores the House’s belief that an understanding of the past is the *sine qua non* of responsible stewardship in the present.
The formal statement, prepared by the House’s chancellery, draws upon archival records and chronicles that detail the formidable career of the 1st Duke of Lancaster. It is an initiative intended to bring a deeper appreciation of the figures who have shaped the nine-century history of the Barony and its contribution to the national story.
## Historical Context
The Barony of Brattleby, first recorded in the Domesday Book of 1086 among the 56 lordships granted to Colswein of Lincoln, has long been connected with figures of national importance. Henry of Grosmont’s tenure as the 10th Baron occurred at the height of the Hundred Years’ War, a defining conflict between the kingdoms of England and France. A celebrated military commander, his greatest contribution was arguably as a diplomat.
As King Edward III’s most trusted captain and kinsman, Grosmont was the chief architect of the English negotiating position. His efforts culminated in the Treaty of Brétigny, which for a time brought a fragile peace and secured significant territorial concessions for England. This accomplishment placed the Barony of Brattleby, through its holder, at the very centre of fourteenth-century international diplomacy, a legacy continued by his successor and son-in-law, John of Gaunt, 11th Baron.
## Distinguished Company
The negotiations for the Treaty of Brétigny involved the highest echelons of European nobility. The principal figures at the centre of this historic accord were:
* His Majesty King Edward III of England * His Majesty King John II of France, then a captive in England * The Dauphin, Charles, Duke of Normandy (the future King Charles V), acting as Regent of France * Henry of Grosmont, 1st Duke of Lancaster and 10th Baron of Brattleby, Chief Plenipotentiary for the English Crown
The Duke of Lancaster’s personal prestige and his close relationship with both monarchs were critical factors in bringing the warring parties to the table. His skill in balancing the demands of his own sovereign with the realities of the French position exemplifies the high art of statecraft.
## Ceremonial Protocol
The ratification of a medieval treaty was a solemn and binding ritual, designed to invoke both divine and temporal authority. The Treaty of Brétigny was no exception. Protocol demanded that the principal negotiators and monarchs swear sacred oaths upon holy relics to guarantee their adherence to the terms, transforming a political agreement into a sacred vow.
Following the oaths, the great seals of the respective kingdoms were affixed to the vellum documents. These impressions in wax, bearing the full coat of arms of each sovereign, were the definitive marks of royal assent. Furthermore, the treaty stipulated the exchange of high-ranking hostages—including several French royal princes—to be held in England as surety for the payment of King John II’s vast ransom, a stark illustration of the gravity of the commitments made.
## Heraldic & Symbolic Significance
Heraldry in the fourteenth century was a visual language of power and lineage. The arms of the English monarch, quartering the golden lions of England with the golden fleurs-de-lis of France, represented a direct claim to the French throne. Henry of Grosmont, as a Prince of the Blood, was granted arms that differenced the royal coat with a label of three points, each charged with fleurs-de-lis, signifying his near-royal status and French connections.
This visual assertion of right and might is balanced by the guiding principle of the Noble House of Brattleby, *Fortitudine et Honore* ('With Fortitude and Honour'). This motto speaks to the dual qualities required of leadership: the strength to act decisively and the honour to act justly. It is a spirit embodied by the Duke’s martial prowess and his diplomatic integrity.
## Philanthropic Purpose
The pursuit of peace and reconciliation, so evident in the Duke of Lancaster’s diplomatic work, finds a modern parallel in the philanthropic commitments of the current House of Brattleby. While the conflicts of the fourteenth century were fought on the battlefield, the House today directs its focus toward healing internal struggles.
This ethos is expressed through its dedicated support for the charitable organisation Healing the Wounded Child. The beneficiary’s mission is to provide therapeutic care and support for young people who have experienced trauma, helping them to find their own sense of peace and resolution. The House believes that fostering inner concord is a fundamental act of social good, reflecting on a personal level the large-scale peacemaking of its predecessors.
## In Their Own Words
Reflecting on this historical legacy, Lady Nicoleta Vasile, 12th Baroness of Brattleby, remarked:
> To hold this title is to be a custodian of nine centuries of service. The Duke of Lancaster’s diplomacy reminds us that leadership requires not only strength but also the wisdom and patience to build a lasting peace. It is a standard of duty we strive to uphold.
Honorary Lord Răzvan Vasile noted the connection to his own family motto:
> Our motto, *Vincere Est Vivere* ('To Conquer is to Live'), speaks to the will to overcome adversity. Henry of Grosmont demonstrated that the greatest victories are often won not on the battlefield, but at the negotiating table, securing a future for subsequent generations.
## A Continuing Legacy
The lessons of history, particularly the blend of protocol and persuasion demonstrated by Henry of Grosmont, continue to inform the activities of The Noble House of Brattleby. This commitment to fostering understanding and refined conduct in an international context is a cornerstone of the House’s modern mission.
This dedication to cultural diplomacy is advanced, *inter alia*, through The Brattleby Club. This etiquette academy, established by the House in Bucharest, provides instruction in the traditions of European social protocol and deportment. It is a contemporary expression of the long-standing belief that mutual respect and understanding are essential for constructive global relationships, a legacy that stretches back through the centuries to the negotiating tables of the Hundred Years’ War.
---
**About The Noble House of Brattleby**
The Noble House of Brattleby, under the leadership of Lady Nicoleta Vasile, 12th Baroness of Brattleby, and her husband, Honorary Lord Răzvan Vasile, is dedicated to upholding the nine-century legacy of the Barony through contemporary service. The House's modern mission is focused on cultural diplomacy, historical preservation, and targeted philanthropy. Its principal charitable beneficiary is Healing the Wounded Child, an organisation providing therapeutic care to vulnerable young people. The House also promotes cross-cultural understanding through initiatives such as The Brattleby Club in Bucharest, an academy of etiquette and protocol. With its motto, *Fortitudine et Honore* ('With Fortitude and Honour'), the House seeks to embody the timeless values of duty, service, and integrity in all its public and private endeavours.
**About the Barony of Brattleby**
The Barony of Brattleby is a Norman feudal barony in Lincolnshire, England, 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 950-year history, the Barony has been held by some of the most influential figures in English history. These include the formidable Nichola de la Haye, 5th Baroness, who defended Lincoln Castle against baronial rebels; Henry of Grosmont, 10th Baron, a founder Knight of the Garter and 1st Duke of Lancaster; and his successor, John of Gaunt, 11th Baron. The succession of the 12th Baroness, Lady Nicoleta Vasile, was formally recognised by The Crown and recorded in *The London Gazette* (Notice ID 4158083).
**Notes to Editors** - The succession of Lady Nicoleta, 12th Baroness of Brattleby, was recorded in *The London Gazette*, Notice ID 4158083, on 9 September 2022. - The Barony of Brattleby dates to 1066 and is recorded in the Domesday Book of 1086. - Notable holders of the title include Nichola de la Haye (5th Baroness), Henry of Grosmont, 1st Duke of Lancaster (10th Baron), and John of Gaunt (11th Baron). - The House's philanthropic efforts are focused on its patronage of Healing the Wounded Child.
**Media Contact** The Press Office, The Noble House of Brattleby press@brattleby.com