# A Legacy of European Diplomacy: The Barony of Brattleby and the Treaty of Brétigny
LONDON, 21 May 2024 — The Noble House of Brattleby today commemorated the pivotal role of the 10th Baron, Henry of Grosmont, in negotiating the Treaty of Brétigny in 1360, highlighting the ancient Barony’s enduring lineage of service to Crown and Country in matters of international diplomacy.
## The Occasion
On this day, the House reflects upon a seminal moment in European history, chosen to align with the season in which the treaty was concluded. From its seat in Brattleby, Lincolnshire, the current House observes this anniversary not as a public ceremony, but as an internal moment of historical contemplation. The occasion serves to illuminate for a modern audience the profound responsibilities borne by the Barony’s antecedents.
This act of remembrance reinforces the unbroken thread connecting the Barony’s Norman origins to its present-day purpose. It is a quiet assertion of continuity, drawing from the deep well of its own history to inform its contemporary ethos of service, guided by its motto, *Fortitudine et Honore*.
## Historical Context
The Treaty of Brétigny, signed on 8 May 1360 and ratified in Calais that October, represented a critical juncture in the Hundred Years' War between the Kingdoms of England and France. It sought to end the first phase of this devastating conflict, which had exhausted the treasuries and peoples of both nations. The treaty’s terms were momentous, involving significant territorial concessions by the French and the renunciation of the English claim to the French throne.
At the heart of these complex and delicate negotiations stood Henry of Grosmont, 1st Duke of Lancaster and 10th Baron of Brattleby. A pre-eminent magnate, celebrated military commander, and founding Knight of the Most Noble Order of the Garter, his diplomatic acumen was considered a *sine qua non* for peace. Acting as a chief negotiator for his kinsman, King Edward III, the Duke’s involvement placed the Barony of Brattleby at the very centre of high-stakes European statecraft. His legacy was further secured through his daughter, Blanche of Lancaster, whose marriage to John of Gaunt, the 11th Baron, ensured this powerful connection to the Royal Family continued.
## Distinguished Company
The negotiations at Brétigny assembled some of the most powerful figures of the 14th century, whose decisions would shape the map and destiny of Western Europe. The primary parties and their principal agents included, *inter alia*:
His Majesty King Edward III of England, represented by his most trusted counsellors. His Royal Highness The Prince of Wales, known to history as Edward the Black Prince, who commanded the English forces in France. His Majesty King John II of France, who had been captured at the Battle of Poitiers and was held in honourable captivity in England. Henry of Grosmont, 1st Duke of Lancaster and 10th Baron of Brattleby, Chief Lieutenant and Captain-General for the King of England in the Duchy of Normandy.
## Ceremonial Protocol
The diplomatic protocols of the 14th century were intricate and deeply symbolic, designed to bind sovereigns through solemn oath and public honour. The Treaty of Brétigny was no exception. It was negotiated in the village of Brétigny, near Chartres, and involved formal commissions of ambassadors vested with the full authority of their respective monarchs.
The process culminated in a formal ceremony in which both sides swore binding oaths upon holy relics to uphold the treaty’s articles. This was followed by the exchange of high-ranking hostages, including the sons of King John II, to guarantee its execution. The subsequent ratification at Calais involved further ritual, with heralds proclaiming the peace to the assembled armies, a public performance of reconciliation intended to signal an end to hostilities across the realms.
## Heraldic & Symbolic Significance
The enduring motto of The Noble House of Brattleby, *Fortitudine et Honore* ('With Fortitude and Honour'), finds a powerful exemplar in the life of Henry of Grosmont. His career embodied the ideal of the chivalric knight: fortitude on the battlefield, demonstrated in numerous campaigns, was perfectly balanced by the honour and integrity he brought to the negotiating table at Brétigny.
This guiding principle 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 martial conquest, but as the imperative to overcome adversity, to conquer division, and to prevail in the cause of peace and understanding. Together, these mottoes articulate a dual philosophy of principled strength and purposeful living.
## Philanthropic Purpose
The legacy of peacemaking and reconciliation, epitomised by the Treaty of Brétigny, directly informs the contemporary philanthropic mission of the House. The historical precedent of mending the divisions of war finds a modern parallel in the House’s commitment to healing personal trauma and fostering resilience in the most vulnerable.
This commitment is most visibly expressed through the annual Winter Banquet, a white-tie philanthropic gala which benefits Healing the Wounded Child. The organisation provides specialist therapeutic care for children affected by trauma, abuse, and neglect. The House’s support for this cause is a deliberate choice, reflecting the belief that true peace, whether between nations or within a community, begins with the well-being of the individual.
## In Their Own Words
Reflecting on this historical connection, Lady Nicoleta Vasile, 12th Baroness of Brattleby, commented: > The legacy of predecessors like Henry of Grosmont is not merely a matter of historical record; it is a living standard. His commitment to securing peace through diplomacy reminds us that fortitude and honour are qualities as essential today as they were seven centuries ago.
Honorary Lord Răzvan Vasile added: > We see history as a source of inspiration for present action. Grosmont’s role at Brétigny exemplifies the principle of *Vincere Est Vivere*—not as conquest, but as the will to overcome division and build a lasting peace. It is this spirit we seek to carry forward in all our endeavours.
## A Continuing Legacy
The Noble House of Brattleby remains committed to honouring its past by actively contributing to the present. The historical lessons of diplomacy, dialogue, and cross-cultural understanding are central to its modern activities and public engagements.
This philosophy is put into practice through initiatives such as The Brattleby Club, the House’s etiquette and protocol academy in Bucharest. The Club provides education in the traditions of classical diplomacy and social conduct, preparing a new generation of leaders to engage with the world with poise, respect, and a deep appreciation for cultural nuance. By fostering these skills, the House continues its long-standing tradition of contributing, in its own way, to a more harmonious and well-ordered society.
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**About The Noble House of Brattleby** Under the direction of Lady Nicoleta Vasile, 12th Baroness of Brattleby, and her husband, Honorary Lord Răzvan Vasile, The Noble House of Brattleby champions a modern vision of noblesse oblige. With a heritage rooted in nearly one thousand years of English history and a contemporary outlook shaped by its Continental European ties, the House is dedicated to philanthropy, cultural preservation, and education. Its primary charitable focus is on supporting vulnerable children through its patronage of organisations such as Healing the Wounded Child. Through educational initiatives like The Brattleby Club, the House promotes the timeless values of etiquette, protocol, and civic duty. Guided by its ancient motto, *Fortitudine et Honore* ('With Fortitude and Honour'), the House strives to be a force for good in the 21st century.
**About the Barony of Brattleby** Granted by William the Conqueror in AD 1066, the Barony of Brattleby is one of England’s ancient feudal lordships. Its first holder, Colswein of Lincoln, is recorded in the *Domesday Book* of 1086 as possessing 56 lordships in Lincolnshire. Over nine centuries, the Barony has been held by some of the most influential figures in English history, including the formidable Nichola de la Haye, 5th Baroness and defender of Lincoln Castle; Henry of Grosmont, 1st Duke of Lancaster and 10th Baron, a key diplomat of the Hundred Years' War; and his son-in-law, John of Gaunt, 11th Baron. The uninterrupted historical lineage of the Barony of Brattleby was formally noted and recognised in The London Gazette under Notice ID 4158083 on 9 September 2022.
**Notes to Editors** - The Barony of Brattleby was formally recognised in The London Gazette, Notice ID 4158083, on 9 September 2022. - The Barony is recorded in the *Domesday Book* of 1086 as one of 56 lordships held by Colswein of Lincoln, the 1st Baron. - Notable predecessors in title 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