In the quiet countryside of Lincolnshire, a few miles north of the Roman city of Lincoln, the parish of Brattleby presents a picture of quintessential English rural life. Its stone church, ancient fields, and gentle slopes speak of continuity, of centuries of slow, agrarian change. Yet, this peaceful landscape conceals a history forged in the crucible of one of England’s most violent and transformative periods: the Norman Conquest. In the years after 1066, the manor of Brattleby underwent a profound metamorphosis. It was wrested from its Anglo-Scandinavian lord and integrated into a new and formidable structure: a Norman barony by tenure. This was no mere change of landlord; it was a fundamental redefinition of power, law, and obligation. The story of Brattleby in the 12th and 13th centuries is the story of how a simple agricultural estate became a strategic asset in the military-political machine of the Anglo-Norman and Angevin kings, its lords compelled to ride to war, engage in high-stakes politics, and navigate the treacherous currents of rebellion and royal authority.
The Anglo-Saxon Twilight and the Domesday Reckoning
Before the arrival of William the Conqueror, the manor of Brattleby—its name likely deriving from the Old Norse Brandr-by, or 'Brandr’s farmstead'—was a typical holding in the Danelaw region of eastern England. It existed within a complex web of Anglo-Scandinavian land tenure, society, and custom. The great Domesday Book, commissioned by William in 1085, provides a precious, if stark, snapshot of this vanished world. In its entry for Brattleby, it records that Tempore Regis Edwardi (in the time of King Edward the Confessor, a phrase denoting the pre-Conquest order), the manor was held by a man named Ulf. Ulf, a common Scandinavian name, was likely a local thegn of some standing, holding his land with a degree of freedom and rights that would soon be extinguished. The Domesday surveyors assessed his holding at 2 carucates and 6 bovates of land for tax purposes, with land for three plough teams. The community comprised five sokemen—a class of free peasants common in the Danelaw—and two villeins, with a small meadow of eight acres. Its value was a modest 30 shillings.
The year 1066 shattered this world. Following his victory at Hastings, William the Conqueror faced the monumental task of securing his new kingdom. The north and east of England, including Lincolnshire, were restive and fiercely independent. The brutal campaigns of 1069-70, known as the 'Harrying of the North', saw William systematically crush resistance, devastating vast swathes of Yorkshire and asserting his dominance over the surrounding regions. In the aftermath, a revolution in land ownership occurred. Thousands of Anglo-Saxon and Anglo-Scandinavian thegns like Ulf were dispossessed, their lands parcelled out to the victorious Norman, French, and Flemish knights who had fought for William.
By the time of the Domesday survey in 1086, Ulf was gone, his fate unrecorded but easily imagined. Brattleby now belonged to a powerful Norman magnate named Geoffrey Alselin (also rendered as Hanselin). Geoffrey was one of William’s new men, a tenant-in-chief who held his lands directly from the king. His Domesday holdings were immense, stretching across Nottinghamshire, Derbyshire, Yorkshire, and Leicestershire, with a significant concentration in Lincolnshire. The entry for Brattleby now records that Geoffrey himself was the lord, with the land worked by one villein and two bordars. The value had slightly decreased to 24 shillings, a potential, if not definitive, indicator of the disruption of the Conquest. Crucially, Brattleby was no longer an isolated estate held by a local notable. It had become a constituent part of a larger, geographically dispersed feudal honour, or barony, whose existence was defined by a single, overriding principle: service to the Crown.
The Anatomy of a Norman Barony
The transformation of Brattleby was rooted in the legal and military concept of the ‘barony by tenure’. Under this system, land was not ‘owned’ in the modern sense. Instead, it was ‘held’ from the king in exchange for specific services, chief among them being the provision of a quota of knights for the royal army. Geoffrey Alselin, as a tenant-in-chief, was a baron of the realm, and his collection of manors, including Brattleby, constituted his barony. The administrative heart of this barony, its caput, was located at Laxton in Nottinghamshire, but its economic and military strength was drawn from all its component parts.
The primary obligation was servitium debitum, the ‘service owed’. The Crown assessed each barony with a quota of knights it was expected to furnish upon summons for a campaign, typically for 40 days a year within the kingdom. While the exact assessment for Geoffrey Alselin's barony in the 11th century is not explicitly recorded, later evidence from the 12th century suggests it was substantial. To meet this obligation, a baron like Geoffrey would do two things. First, he would retain a number of household knights (milites aggregati) in his personal retinue, ready for immediate service. Second, and more sustainably, he would subinfeudate his lands, granting manors to lesser knights in exchange for their military service to him. These sub-tenants, or vassals, would hold their land as a ‘knight’s fee’ (feodum militis), a unit of land deemed sufficient to support one fully equipped knight.
Thus, a chain of obligation was forged, running from the king to the tenant-in-chief, and from the tenant-in-chief to his enfeoffed knights. Brattleby, as part of Alselin’s barony, would have been expected to contribute to this system, either by being managed directly by the baron’s officials (a demesne manor) to generate revenue for paying household knights, or by being granted out as a knight’s fee itself.
Beyond knight service, baronial tenure involved a host of other binding obligations known as feudal incidents. These underscored the king’s ultimate lordship and provided him with significant revenue: Relief: A large sum, effectively an inheritance tax, paid by an heir to take possession of his father’s barony. Wardship: If an heir was a minor, the king (or the baron, in the case of a sub-tenant) took control of the lands and their revenues until the heir came of age, and also had the right to arrange their marriage. Marriage: The king had the right to control the marriage of heiresses and widows of his tenants-in-chief, a powerful tool of patronage and social engineering. Scutage: Literally ‘shield money’, this was a cash payment accepted by the Crown in lieu of personal military service. From the reign of Henry I onwards, it became an increasingly common way for the king to fund professional, paid soldiers rather than relying on the often-unwieldy feudal levy. * Castle-Guard: Barons could be required to provide knights to garrison royal castles, a vital duty for internal security.
Through this rigid framework, the manor of Brattleby was now tied directly to the military and political fortunes of the English Crown. Its lord was no longer a local man concerned with local affairs, but a magnate whose primary function was to serve the king in war and council.
Heirs, Anarchy, and the Battle of Lincoln
Geoffrey Alselin’s barony did not remain in his direct male line for long. Upon his death, it passed to his son, Ralph Alselin, who himself died around 1130. Ralph left a daughter and heiress, whose marriage became a matter of royal interest. She was married to Robert de Caux (or Cauz), who thereby became the new lord of the barony of Laxton, with all its constituent manors including Brattleby. The Caux family would hold the barony for much of the turbulent 12th century.
Their tenure coincided with one of the most chaotic periods in English history: the Anarchy (1135–1153), a protracted civil war between King Stephen and his cousin, the Empress Matilda, for the English throne. Lincolnshire became a central battleground in this conflict. Its strategic importance lay in its wealth and the dominating presence of Lincoln Castle, which controlled key routes across eastern England.
The pivotal event of the war in the region was the First Battle of Lincoln on 2 February 1141. The conflict was ignited when Ranulf de Gernon, the powerful Earl of Chester and a supporter of Empress Matilda, seized Lincoln Castle by a ruse. King Stephen, renowned for his personal bravery and military resolve, marched north in the dead of winter to besiege the castle. Ranulf escaped and gathered a formidable army of his own, including his father-in-law, Robert, Earl of Gloucester (Matilda's half-brother), and a host of Welsh mercenaries.
As lord of a major barony with significant holdings in both Nottinghamshire and Lincolnshire, Robert de Caux was unavoidably drawn into the conflict. While direct evidence of his personal allegiance is scarce, his geographical position and the affiliations of his neighbours strongly suggest he was compelled to side with the Angevin cause of Empress Matilda, led locally by the Earl of Chester. The chronicler Orderic Vitalis describes the ensuing battle with vivid detail. The royalist forces, confident but outnumbered, were arrayed outside the city walls. The rebels, having crossed the Foss Dyke, charged uphill towards them. On the rebel side, the main body was commanded by the Earl of Chester. On the king’s side, the wings of his army, commanded by magnates like Alan of Brittany and William of Aumale, deserted almost immediately. King Stephen was left to fight on with his household knights, a heroic but doomed struggle. The chroniclers describe him fighting first with his sword until it shattered, then with a battle-axe, until he was finally overwhelmed and captured.
The battle was a stunning victory for Matilda’s cause. For a baron like Robert de Caux, being on the winning side would have secured his lands for the moment, but the victory was short-lived. Stephen was eventually exchanged for the captured Earl of Gloucester, and the war dragged on, devastating the country. The lords of estates like Brattleby would have seen their lands taxed, their produce requisitioned, and their men called to arms not for a foreign war, but for a brutal internal conflict. This era demonstrated starkly that baronial tenure was a double-edged sword: it conferred great power, but it also placed its holder at the very heart of national political strife.
The Crown's Demands: The Angevin Re-ordering
The accession of Matilda’s son, Henry II, in 1154 brought an end to the Anarchy and ushered in an era of powerful, centralising government. Henry was determined to restore royal authority and curb the power of the ‘adulterine’ (unauthorised) castles and overly mighty barons who had flourished during the civil war. He was a king obsessed with law, finance, and the precise definitions of rights and obligations.
A key document from his reign, the Cartae Baronum of 1166, provides our next clear view of the barony that included Brattleby. Henry II ordered a great survey, demanding that every tenant-in-chief declare how many knights they had enfeoffed on their lands. The returns were compiled in the Exchequer’s Red and Black Books. Robert de Caux duly submitted his carta (charter or return). He acknowledged that his servitium debitum—the quota set by the Crown—was 15 knights' fees. He then declared that he had enfeoffed a total of 16 and a half knights. This included 10 fees created 'of old enfeoffment' (de veteri feoffamento), meaning before the death of Henry I in 1135, and 6 and a half fees 'of new enfeoffment' (de novo feoffamento), created during the chaos of Stephen's reign.
This document is incredibly revealing. It shows how barons like de Caux had created more knights' fees than their official quota, perhaps to secure followers during the Anarchy. For Henry II, this was both a threat and an opportunity. He used this information to levy scutage not just on the official servitium debitum, but on the full number of knights a baron had actually enfeoffed, thereby increasing royal revenue and asserting his authority over the baron’s own military arrangements. For Robert de Caux, and by extension his manor of Brattleby, the demands of the Crown were becoming more systematic, more bureaucratic, and more expensive. The age of feudal obligation defined by personal service was slowly giving way to one defined by cash payments to a powerful, ever-present state.
Magna Carta and the Siege of Lincoln
The barony passed from the de Caux family through another heiress, Matilda de Caux. She was a great prize, being a ward of King Henry II and later King Richard I. Her second husband was Adam fitz Peter, a Yorkshire lord, and after his death, she married John de Birkin, who became the new lord of the barony in the early 13th century. It was John de Birkin’s fate to hold the barony during the tyrannical reign of King John (1199–1216).
King John’s reign was marked by military failure abroad (the loss of Normandy in 1204) and unprecedented financial extortion at home. He pushed the feudal system to its breaking point, using incidents like relief, wardship, and scutage not as traditional rights but as instruments of arbitrary and ruinous taxation. The northern barons, who were geographically distant from the court at Westminster and fiercely protective of their traditional liberties, were among the first to resist.
John de Birkin, as lord of the barony of Laxton (and Brattleby), was one of these aggrieved northern barons. When the dispute between John and his barons escalated into open rebellion in 1215, Birkin joined the rebel cause. While he was not one of the famous 25 surety barons appointed to enforce Magna Carta, his name appears on the lists of those who opposed the king. As a consequence, his lands were declared forfeit by King John and, for a time, were granted to a royalist supporter. John de Birkin was now a rebel, his lands and fortune staked on the success of the baronial effort to curb the power of the king.
Magna Carta, sealed at Runnymede in June 1215, failed to bring peace. King John renounced it almost immediately, and the country plunged into the First Barons' War. The rebels offered the English throne to Prince Louis of France, who landed in England in 1216. The tide seemed to be turning against John until his sudden death in Newark, Nottinghamshire, in October 1216.
His death transformed the political landscape. The royalist cause was now embodied by John’s nine-year-old son, Henry III, under the wise and respected regency of William Marshal, Earl of Pembroke. Many English barons, hesitant to see a French king on the English throne, began to drift back to the royalist side. The decisive confrontation came, once again, at Lincoln. In May 1217, a French and rebel baronial army was besieging the royalist-held Lincoln Castle. William Marshal gathered a relief force and, in a brilliant tactical manoeuvre, stormed the city. The ensuing battle, fought in the narrow streets leading up to the castle and cathedral, was a rout. Dubbed the ‘Lincoln Fair’ by the victorious royalists due to the amount of loot taken, the battle shattered the rebel army and effectively ended the war.
As a northern rebel, John de Birkin was on the losing side. His forces, or those of his allies, were among those defeated at Lincoln. Following the battle, he was forced to make his peace with the new regime. He eventually recovered his lands, including the barony of Laxton and the manor of Brattleby, under the terms of the Treaty of Lambeth. The price of rebellion had been high, but survival meant he was re-integrated into the political community. His story, and that of his barony, encapsulates the journey of the English aristocracy over 150 years. Born of conquest and military obligation, the barony had become a political entity, its lord a player in the constitutional struggles that would define the English state. From the Domesday survey to the Lincoln Fair, the fates of the lords of Brattleby were inextricably linked not just to their fields and tenants, but to the great sweep of national history—to the will of kings, the fortunes of war, and the fight for the rights that would one day be seen as the birthright of all Englishmen.
Sources & Further Reading
Primary Sources: Domesday Book: A Complete Translation. Penguin Classics, 2003. (See Lincolnshire, Entry 27 for Geoffrey Alselin, including Brattleby). The Red Book of the Exchequer (Hall, H. ed.), 3 vols., Rolls Series, 1896. (Contains the Cartae Baronum of 1166, including the return for Robert de Caux). Roger of Wendover, Flowers of History. Various translations available. (Chronicle source for the reign of King John and the Battle of Lincoln, 1217). Magna Carta (1215). British Library and other digitised versions available online.
Key Secondary Works: Sanders, I.J. English Baronies: A Study of Their Origin and Descent, 1086-1327. Oxford: Clarendon Press, 1960. (The definitive work for tracing baronial descents, see ‘Laxton’, pp. 58-59 for the Alselin-Caux-Birkin line). Stenton, Frank M. The First Century of English Feudalism, 1066-1166, 2nd ed. Oxford: Clarendon Press, 1961. (A foundational study of Norman feudalism). Bates, David. William the Conqueror. Stroud: Tempus, 2004. Carpenter, David. The Struggle for Mastery: Britain 1066-1284. London: Penguin Books, 2004. Holt, J.C. The Northerners: A Study in the Reign of King John. Oxford: Clarendon Press, 1992. Holt, J.C. Magna Carta, 3rd ed. Cambridge: Cambridge University Press, 2015. Poole, Austin Lane. From Domesday Book to Magna Carta, 1087-1216. Oxford: Clarendon Press, 1955. Warren, W.L. King John. New Haven: Yale University Press, 1997.