
This article was first publishe on #FolkloreThursday titled, “British Legends: Aurelius Ambrosius, Legendary King of the Britons,” by zteve t evans and has been edited and revised 20 June 2924 by zteve t evans. Images may vary from original.
Aurelius Ambrosius
Aurelius Ambrosius was a legendary fifth-century King of the Britons, mentioned in the pseudo-histories of Geoffrey of Monmouth and other medieval writers. He was reputed to be the uncle of King Arthur, who would become the most famous King of the Britons. Most accounts say Aurelius was a modest, evenhanded, and determined man who exercised self-discipline in all his ways. He was a skilled warrior fighting equally well on horseback or foot, an inspiring leader of men, and an outstanding military tactician and general. Aurelius harboured a burning hatred for King Vortigern, who had usurped the crown of the Britons from his family. Vortigern had then been betrayed by his Saxon allies, resulting in the deaths of many of the ruling Britons in a murderous incident known as the Treachery of the Long Knives.
With the Britons defeated and under Saxon tyranny, Aurelius Ambrosius and his brother Uther returned to free their country and reclaim the crown of the Britons of the island of Britain. Presented here and drawn from several sources listed below is the story of how Aurelius defeated Vortigern, and the Saxons led by Hengist to become King of the Britons, restore law, and order and begin rebuilding a wounded and shattered nation.
The Burning of Vortigern
While the Saxon takeover of Britain was unfolding, Aurelius Ambrosius was in exile, making a name for himself in the battles of Armorica, and his fame spread across Europe. Finally, after meticulous preparation, he arrived on the shores of Britain at Totnes with his younger brother Uther, commanding an impressive invasion force of Armorican cavalry and footmen. Word of Aurelius and his brother’s arrival spread rapidly across Britain and many Britons rallied to him. The few war leaders and nobles of the Britons left alive after the Treachery of the Long Knives had been scattered and leaderless but were now united under the banner of Aurelius burning for vengeance. They came together from all parts of Britain to join him and brought together the clergy who anointed him as the King of the Britons.

The Britons wanted to attack Hengist immediately, but Aurelius overruled them, intending to wreak vengeance on Vortigern first and led the Britons to his last stronghold. He was joined by Eldol, the Duke of Gloucester, the only British noble of those present, apart from Vortigern, to survive the mass assassination.
Once his army had taken up their position, Aurelius commanded the powerful siege engines to set to work. Though these worked long and hard, they could not break through the walls. After all attempts failed, Aurelius gave the order to burn the tower. He ordered wood to be piled around it and set on fire while his archers shot burning arrows into the stronghold that found plenty of fuel. There was no escape for Vortigern in the tower of his last refuge, and along with his wives and followers, he perished in the flames.
The Return of Aurelius Ambrosius
The arrival of Aurelius Ambrosius to take the throne of the King of the Britons put fear into the hearts of Hengist and his Saxons, who were aware of his reputation. Being the rightful heir to the throne of Britain, Aurelius had right on his side, and Hengist knew this. He knew all about his prowess as a warrior and military strategist, and he feared him above all his enemies.
As Aurelius marched his army north, seeking to confront Hengist, the Saxon leader realised he had to fight. He urged his warriors not to fear Aurelius, telling them his Armorican cavalry was few while pointing out the Saxon superiority in numbers to the British. Having motivated his warriors, he set them in battle formation in a place he knew Aurelius and his army would have to pass through, hoping to catch them unprepared. Aurelius anticipated this and marched his men with more vigour to meet the Saxons and provoke open conflict. He gave each regiment their orders and would himself lead the Armorican cavalry into a frontal attack on the Saxon line.
For Eldol, the Duke of Gloucester, this was the moment he had been waiting for. Ever since the mass murder of the British nobility, he had been hoping to engage Hengist in single combat where there would only be one winner. The Britons had scores to settle. They were determined to avenge the wrongs done to their homeland by the Saxons, who were still a formidable and dangerous fighting force and drive them out of their country. The scene was set for a grim and bloody battle for supremacy, with the prize being control of the British island.
Hengist and the Saxons

At last, the Britons and Saxons faced each other, and the battle began. Both sides committed themselves with undeniable bravery and ferocity. Aurelius Ambrosius motivated the Britons and Armoricans as Hengist urged on his Saxon warriors. As the battle raged, Eldol scoured the battlefield, hoping to engage with Hengist man-to-man, but with the fighting so fast and furious, he had no opportunity.
When Hengist realised his Saxons were being routed and the Britons and their allies had the advantage, he fled, heading for a town then called Kaerconan, now known as Conisbrough, with Aurelius Ambrosius hard on his heels. However, he resisted the temptation to use the town as a sanctuary, fearing he would be besieged and trapped and have no escape. Therefore, still having a formidable force of fighting men, he decided to make a stand outside the town, hoping to either defeat the Britons and their allies in open battle or break free.
The Britons were soon upon them, and a fierce and terrible fight began. Although the Britons fought ferociously, the Saxons would not give ground, and considerable numbers were killed or wounded on both sides. The screams of the injured and dying further enraged the men of both sides, and the Saxons began to gain the day. Seeing this, Aurelius sent the Armorican cavalry against the Saxons as he had done in the previous battle. Their arrival forced the Saxons back, splitting their ranks and preventing them from uniting their forces.
Realising their advantage, the Britons exerted themselves harder and with greater fury and vitality. Aurelius was always at the forefront of the battle, driving hard against the Saxons and forcing them to retreat before him. He killed all who stood in his way, and his example gave great encouragement and energy to the Britons who had long suffered from the Saxons.
The Vengeance of Eldol
Another Briton performing heroics on the field was Eldol, the Duke of Gloucester. He was always in the thickest and most furious part of the battle, bringing death and destruction to the Saxons wherever he went, but always seeking his arch-enemy, Hengist. As the battle raged, he engaged Hengist in a deadly duel, which he eventually won, taking his opponent alive to face the justice of Aurelius Ambrosius, the King of the Britons.
With Hengist captured alive, the Britons redoubled their efforts, driving hard against the Saxons, who, although dismayed at the loss of their great war leader, still fought on. Although the battle continued to ebb and flow, the loss of Hengist and his leadership began to be sorely felt, and the Saxons began to give ground.
The Britons relentlessly continued the assault, and despite their courage, the Saxons were forced to flee the battlefield. Some took to the woods, some to the hills, others made for the cities, while others tried to get to the harbours on the coast where their ships were anchored. Octa, son of Hengist, decided to make for the cities and led a strong contingent of Saxons to York. His kinsman, Eosa, led numerous Saxon survivors to another town, where he had a large bodyguard of men stationed.
With the battle won and Hengist captured, Aurelius rested his army and held a council of his leaders to decide what to do with their captives. Eldad, the Bishop of Gloucester, and his brother called for the execution of Hengist. The council agreed, and Aurelius gave the order. Eldol conducted the execution, decapitating Hengist, at last fulfilling his quest for vengeance. With Hengist dead, Aurelius marched his army to York, intending to confront and besiege Octa. On seeing the size of the army of the Britons, Octa doubted whether the city could withstand siege or direct attack. Seeing no other choice, Octa surrendered to Aurelius and begged for clemency.
Again, Aurelius held a council to decide the fate of the Saxons. Eldad again spoke up but, this time, called upon Aurelius to show mercy, which was granted. On hearing of the King’s mercy, Eosa came to Aurelius begging for clemency. Again, it was given, and a covenant was made. The Saxons were allowed to inhabit the lands that bordered what is now Scotland on condition that they obeyed the King of the Britons, lay down their arms, and lived in peace.
The Rebuilding of Britain
With his enemies defeated, the King of the Britons summoned all his lords, nobles, and clergy to York. He ordered the country’s rebuilding in the ways of the Britons and decreed that all churches destroyed or damaged by the Saxons should be restored. Moreover, he personally commissioned the restoration of York Cathedral and the other significant church buildings in the province.
After fifteen days, the work was underway, and he travelled to London to see what damage had been done there. As he travelled, he was sorry to see the destruction the Saxons had inflicted upon the country. He brought back the old laws and began re-ordering the country’s affairs. Lands taken by the Saxons were restored to their rightful owners, and the estates that no longer had living heirs he shared among his soldiers. In this way, the King soon had the restoration of his kingdom underway, and justice, peace, the rule of law, and justice were firmly established once again over the Britons.
He travelled to Winchester from London to see how the restorations were progressing along the way and in the city. Then he went to Kaercaradoc, now known as Salisbury, to the monastery of bishop Eldad, where Hengist massacred Britain’s leading nobles during the Treachery of the Long Knives and the place where the victims had been buried. The monastery was situated on the mythical mountain of Ambrius, named after its founder, and now maintained by three hundred monks. Aurelius was deeply affected by the burial ground and the memory it held and began to think about what kind of a monument should be built to honour the victims and perpetuate the memory of the Saxon treachery.
The Giant’s Dance
All his best artisans and craftsmen in wood and stone could not give him a satisfactory design for an appropriate monument of sufficient stature to match the need. At last, the Bishop of the City of the Legions proposed that he seek out Merlin, who had previously advised Vortigern concerning his failed attempt to build a stronghold on Dinas Emrys. Merlin had made the prophecy of the two dragons, the arrival of Aurelius and Uther and foretold the deaths of Vortigern and Hengist, and the Bishop insisted if anyone knew of a fitting monument, it would surely be him.
When Merlin arrived, he told the King of a stone circle in Ireland on Mount Killaraus, known as the Giant’s Dance, built by giants who had carried the massive stones from Africa. He foretold him that if they were transported from Ireland and erected at Ambrius precisely as they had been on Killaraus, they would stand forever and be a most fitting monument to the victims of the betrayal.
At first, Aurelius was skeptical, thinking that it would be impossible to uproot such great stones and move them across the sea, pointing out that similar building materials were more readily available in Britain. However, Merlin was adamant that only these stones would do as each had unique medicinal properties. Moreover, he asserted that he was the only one with the knowledge and art to move them and emphasised there could be no substitute for them.
Aurelius and all those present grew serious and discussed Merlin’s proposal. It was decided that Uther would lead an army of fifteen thousand men to procure the stones by any means. Merlin was to accompany Uther as his adviser and to direct the moving of the stones from the mythical Mount Killaraus in Ireland back across the sea to the island of Britain to be set up again at Ambrius around the graves of the fallen.

Uther and Merlin embarked on their mission to Mount Killaraus to dismantle and bring back the Giant’s Dance from Ireland to Mount Ambrius. Gillomanius, the King of Ireland, hearing of the Britons’ arrival and their intention to take the monument, decided to defend it and fight Uther in a battle that the Britons won. Under Merlin’s supervision, the stones were dismantled and moved to the ships with incredible ease and transported across the sea to Britain. On their arrival, Merlin then supervised their removal and transport to the prepared site on Ambrius.
As soon as Aurelius heard of the return of Uther and Merlin with the Giant’s Dance, he sent messengers to all the nobles and clergy, summoning them to Ambrius to celebrate and consecrate the monument on the feast of the Pentecost. When all were assembled, King Aurelius Ambrosius placed the crown of the British Britons on the island of Britain upon his head for all to see.
With all royal ceremonies and magnificence, the celebrations of the feast of Pentecost began and continued over the next three days. He insisted his domestics and servants join them in the feast, rewarding them for their excellent service to him. After the feast, he set about administering Britain’s business, ensuring all was in order and law and justice prevailed. When all this business was concluded, he commanded Merlin to set up the Giant’s Dance around the graves of the dead. Using the same arts and means he had used to move the stones from Mount Killaraus, this was soon achieved, providing an enduring monument to the Britons who died in the Treachery of the Long Knives.
The Death of King Aurelius Ambrosius
Vortigern had a third son named Pascentius. With the victories of Aurelius over Hengist and Vortigern, Pascentius fled to Germany to try and raise new forces to avenge his father’s death. He promised vast amounts of silver and gold to anyone who would follow him in his attempt to invade and control Britain. Seeing vast riches to be gained, many accepted the challenge, and soon, he had under construction an impressive fleet of ships to carry a new army to attack Britain and avenge his father against Aurelius and Uther. Arriving in northern Britain, he immediately began destroying everything in his path.
On receiving news, Aurelius mobilised his army, and he met Pascentius in battle, defeating him and forcing him to flee for his life. Pascentius could not return to Germany after this disastrous defeat, so he set sail for Ireland, where he was received by King Gillomanius, who had no love for the Britons after the theft of the Giant’s Dance. The Irish King listened to Pascentius sympathetically, and the two joined forces against Aurelius. They mustered their forces and prepared a fleet to sail to Britain, landing at Menevia, now called Swansea.
It is a fact that disease and pestilence have no respect for kings or the mighty. It so happened that Aurelius had been taken ill and lay in his sickbed in Winchester. On hearing of the arrival of the enemy fleet, Uther, his younger brother, promptly mustered the King’s forces for the defense of the realm and marched to meet the invaders, taking with him Merlin to advise him.
Meanwhile, Pascentius and Gillomanius heard that King Aurelius Ambrosius was incapacitated in his sickbed and rejoiced, thinking this would aid their conquest. A Saxon named Eopa went to Pascentius with an evil proposal and asked him what reward he would receive for killing Aurelius Ambrosius. Pascentius told him he would reward him with one thousand pounds of silver, give him his lifelong friendship, and make him a commander in his army.
Eopa told him of his plan, explaining that he spoke and understood the language of the Britons and that he would disguise himself as a Christian monk of the Britons practising the healing arts. He would go to Winchester and seek to attend and cure Aurelius with a potion that was, in fact, a slow-acting poison that would eventually kill the King, giving Eopa time to escape. Pascentius was delighted, agreed to the plan, and struck a deal with him.
On arrival in Winchester, he immediately proclaimed himself a healer and physician, offering his services to the King, who gratefully received him in the hope of being cured. Eopa promised Aurelius that his potions would quickly restore his health, but he must strictly follow all instructions that he would give. Aurelius, in his innocence and desperation, readily assented and took a mixture Eopa had prepared that had been secretly laced with poison.
Obediently, Aurelius drank it, and then Eopa told him to cover himself and sleep. In this way, the poison coursed slowly but surely through the King’s veins, killing him in his sleep and giving Eopa plenty of time to escape before the death of the King was realised. When servants went to see the King, they found him dead and, on searching for his physician, found he had disappeared and could not be found.
Merlin’s Prophecy
Meanwhile, as Uther marched the army of the Britons to confront the invaders, a bright star appeared in the sky, shining day and night. From one of its rays burst a beam of light that took the shape of a fiery dragon, and two shafts of light burst forth from its mouth. Uther called on Merlin to explain this celestial phenomenon. Sadly, Merlin told him it signified the death of King Aurelius Ambrosius and foretold that he would defeat the enemy and succeed him as King of the Britons.
Merlin was to be proved right, and soon after the victory, a messenger arrived from Winchester telling of the King’s death and burial inside the Giant’s Dance, which seemed a fitting place for him to rest. His funeral had been conducted by the highest clergy and with all royal ceremonies.
Uther was made King of the Britons, took the name Uther Pendragon after the celestial spectacle, and would go on to fulfil Merlin’s prophecy. The rule of Aurelius Ambrosius had rid the Britons of the usurper Vortigern, who many saw as weak, corrupt, and foolish, blaming him for bringing over the Saxons who so violently betrayed him. With Vortigern dealt with, he removed the threat of the Saxons and subdued the Picts. He brought peace and stability and returned the country to the law of the Britons of the island of Britain.
© zteve t evans
Reference, Attributions and Further Reading
Copyright zteve t evans
- Ambrosius Aurelianus – Wikipedia
- Historia Regum Britanniae – Wikipedia
- [PDF] Nennius – History Of The Britons (Historia Brittonum … – York University
- [PDF] History of the Kings of Britain – York University
- Treachery of the Long Knives – Wikipedia
- Under the influence! – Vortigern’s Rule: The Treachery of the Long Knives
- Under the influence! – The Prophecy of Merlin: The Two Dragons
- On the Ruin of Britain by Gildas
- Arthurian Chronicles: Roman de Brut by Wace
- Last of the Romans – Wikipedia
- The Generations of Ambrosius part 3: Ambrosius Aurelianus,
- Images
- 1) File:Witan hexateuch.jpg – Wikimedia Commons – Public Domain
- 2) File:Kronika.jpg – Wikimedia Commons – Public Domain
- 3) File:Hengist King of Kent.jpg – Wikimedia Commons – Public Domain
- 4) Medieval battle – File:Medieval battle.jpg – Wikimedia Commons – Public Domain







