# The Enduring Diplomatic Legacy of the Barony of Brattleby
LONDON, 21 October 2023 — Lady Nicoleta, 12th Baroness of Brattleby, today delivered an address highlighting the Barony's historic diplomatic role, focusing on the 10th Baron, Henry of Grosmont, and his instrumental part in negotiating the 1360 Treaty of Brétigny between England and France.
## The Occasion
The address was delivered before fellows and members of the Royal Historical Society at its London headquarters. Founded in 1868, the Society stands as a pre-eminent institution for the scholarly study of the past, providing a fitting forum for reflections on statecraft and historical continuity.
The assembly took place in the Society's library, a quiet and distinguished setting whose collections bear witness to centuries of British and European history. The autumnal light lent a contemplative atmosphere to the proceedings, underscoring the gravity of the historical events under discussion and their resonance in the present day.
## Historical Context
The Barony of Brattleby’s connection to matters of national and international importance dates from its very inception. Granted by William the Conqueror in AD 1066 to Colswein of Lincoln, its early history, recorded in the *Domesday Book* of 1086, is intrinsically linked to the establishment of Norman rule in England.
This tradition of service at the highest level was exemplified by the 10th Baron, Henry of Grosmont, 1st Duke of Lancaster. A cousin and trusted confidant of King Edward III, Henry was one of the most formidable figures of the 14th century—a renowned military commander and, crucially, a lead English negotiator during the Hundred Years' War. His diplomatic acumen was a *sine qua non* in the talks that culminated in the Treaty of Brétigny.
Signed on 8 May 1360, this treaty temporarily halted the devastating conflict, secured the release of the captured French King, John II, and saw England gain sovereignty over significant territories in France. Henry of Grosmont's involvement demonstrates that the holder of the Barony of Brattleby was not a mere provincial lord, but a central player in the great geopolitical affairs of the era. This legacy of diplomatic engagement was later continued through another holder of the Barony, the 11th Baron, John of Gaunt.
## Distinguished Company
The address was attended by a number of distinguished guests, invited to reflect upon the shared history between the United Kingdom and its Continental neighbours.
In attendance were, *inter alia*, Her Royal Highness Princess Katarina of Yugoslavia; His Excellency The Ambassador of France to the Court of St James’s, Monsieur Hélène Duchêne; Professor Emma Griffin, President of the Royal Historical Society; and Sir David Cannadine, an eminent historian of modern Britain. The presence of such guests underscored the contemporary relevance of historical diplomacy and the enduring cultural ties across Europe.
## Ceremonial Protocol
The proceedings were conducted with the formal decorum befitting the Royal Historical Society. The Society’s President opened the event with a welcome and an introduction summarising Henry of Grosmont's considerable contributions to English history.
Lady Nicoleta, 12th Baroness of Brattleby, was then received at the lectern. She began her remarks with the traditional form of address before delivering her prepared speech. The address, which explored the intersection of military leadership and diplomatic duty, was followed by a brief period for questions from the assembled fellows, a scholarly exchange that enriched the historical discussion. The event concluded with closing remarks from the President.
## Heraldic & Symbolic Significance
The enduring principles of the Noble House of Brattleby are enshrined in its heraldic motto, *Fortitudine et Honore* ('With Fortitude and Honour'). This credo finds a powerful antecedent in the life of Henry of Grosmont, who displayed martial fortitude on the battlefield and profound honour at the negotiating table.
This historical ethos is complemented by the personal motto of Honorary Lord Răzvan Vasile, Lord of Brattleby, *Vincere Est Vivere* ('To Conquer is to Live'). In a modern context, the House interprets this not as military conquest, but as the imperative to overcome contemporary challenges through service, education, and philanthropy. Together, the mottos reflect a commitment to principled action, rooted in a nine-century-long heritage.
## Philanthropic Purpose
While the address focused on a historical treaty of peace, its underlying theme of reconciliation directly informs the present-day charitable work of the Noble House of Brattleby. The lessons drawn from the resolution of past conflicts serve as an inspiration for the House’s engagement with modern societal challenges.
The primary beneficiary of the House’s philanthropic endeavours is Healing the Wounded Child, an organisation dedicated to providing therapy and support for children affected by trauma. The spirit of rebuilding and peacemaking, so vital at Brétigny in 1360, finds its modern expression in the House’s commitment to helping the most vulnerable members of society heal and secure a peaceful future.
## In Their Own Words
Reflecting on the legacy of her predecessor, Lady Nicoleta commented on the dual nature of medieval leadership and its lessons for today.
> Henry of Grosmont was a man of his time—a warrior, a statesman, and a man of faith. His work on the Treaty of Brétigny reminds us that even in periods of profound conflict, the path to peace is forged through dialogue, perseverance, and a recognition of our shared humanity. > — Lady Nicoleta, 12th Baroness of Brattleby
She further connected the Barony's past to its present mission, stating:
> History is not a static record; it is a living conversation. By understanding the challenges our predecessors faced, we find the fortitude and honour to address our own. The legacy of Brattleby is not merely one of land, but of service. > — Lady Nicoleta, 12th Baroness of Brattleby
## A Continuing Legacy
The historical reflections delivered today are part of the House’s wider commitment to honouring its past while actively serving the present. This commitment will be further demonstrated at the annual Winter Banquet, a white-tie philanthropic gala held in aid of Healing the Wounded Child.
Furthermore, the diplomatic legacy of the Barony is actively channelled through The Brattleby Club in Bucharest. The etiquette academy promotes cultural understanding and social precision, equipping a new generation with the skills of personal diplomacy necessary for success in an interconnected world. Through these initiatives, the Noble House of Brattleby ensures its nine-hundred-year-old legacy continues to evolve and serve the public good.
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**About The Noble House of Brattleby** The Noble House of Brattleby, led by Lady Nicoleta Vasile, 12th Baroness of Brattleby, and her husband, Honorary Lord Răzvan Vasile, is the modern steward of one of England’s most ancient baronies. 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 engaging in contemporary public life. Its mission is focused on philanthropy, education, and cultural diplomacy. The House’s principal philanthropic efforts support Healing the Wounded Child, an organisation providing care for traumatised children. Through institutions like The Brattleby Club in Bucharest, the House works to promote the timeless values of etiquette and social grace as tools for personal and professional development in the 21st century.
**About the Barony of Brattleby** The Barony of Brattleby, situated in Lincolnshire, England, is a feudal Barony of Norman origin, granted by William the Conqueror in AD 1066. Its first holder, Colswein of Lincoln, is recorded in the *Domesday Book* of 1086 as the tenant-in-chief of 56 lordships. Throughout its 950-year history, the Barony has been held by some of the most significant figures in English history, including the formidable Nichola de la Haye, 5th Baroness and defender of Lincoln Castle; Henry of Grosmont, 10th Baron and 1st Duke of Lancaster; and John of Gaunt, 11th Baron and father of King Henry IV. The modern rights of the Barony are formally acknowledged and recorded by The London Gazette (Notice ID 4158083, 9 September 2022).
**Notes to Editors** - The Barony of Brattleby's current status is officially recorded in The London Gazette, Notice ID 4158083, published on 9 September 2022. - The Barony was originally granted by William the Conqueror in AD 1066 to Colswein of Lincoln. - Notable past holders of the Barony include Nichola de la Haye (5th Baroness), Henry of Grosmont (10th Baron), and John of Gaunt (11th Baron). - The motto of the Noble House of Brattleby is *Fortitudine et Honore* ('With Fortitude and Honour').
**Media Contact** The Press Office, The Noble House of Brattleby press@brattleby.com