Few rulers in the history of Westeros left a legacy as destructive as King Aegon IV Targaryen, remembered by history as Aegon the Unworthy. His reign was defined by corruption, scandal, and decisions that would plunge the Seven Kingdoms into decades of civil war.
Although the Targaryen dynasty had already survived many conflicts, the actions of Aegon IV ultimately created the conditions that led to the Blackfyre Rebellions, one of the most important conflicts in the history of Westeros.
His legacy would shape the political landscape of the realm for generations, influencing the world seen in the stories of Ser Duncan the Tall and his squire Egg.
The Early Life of Aegon IV
Aegon IV was born into the powerful House Targaryen, the ruling dynasty of Westeros. From a young age, he showed many of the traits that would later define his rule. Unlike some of his more disciplined ancestors, Aegon developed a reputation for indulgence and excess. He loved food, luxury, and romantic affairs, often placing his personal desires above the responsibilities of the crown.
Despite these flaws, Aegon still possessed the powerful bloodline of the dragonlords, and he eventually ascended to the Iron Throne after the death of his father. When he became king, few could have predicted how dramatically his decisions would affect the future of the Seven Kingdoms.
A King Known for Excess
During his reign, Aegon IV became infamous throughout Westeros for his lifestyle. He surrounded himself with lavish feasts, extravagant celebrations, and numerous lovers. The king fathered many illegitimate children, some with noblewomen and others with women from across the realm.
These bastards would later become central figures in the political conflicts that followed his reign.
Among them were several notable figures:
- Daemon Waters, later known as Daemon Blackfyre
- Brynden Rivers, who would become the feared spymaster Bloodraven
- Aegor Rivers, remembered as the warrior Bittersteel
Each of these men would play a major role in the struggles that followed Aegon’s death.
The Gift of the Sword Blackfyre
One of Aegon IV’s most controversial decisions involved the legendary Valyrian steel sword Blackfyre.
For centuries, this sword had been carried by the kings of House Targaryen. Possessing the weapon was widely seen as a symbol of legitimate rule.
Instead of passing the sword to his lawful heir, Prince Daeron, Aegon gave Blackfyre to his bastard son Daemon Waters. Many nobles interpreted this act as a sign that Aegon believed Daemon should be king. This decision created deep divisions among the noble houses of Westeros.
The Legitimization of the Great Bastards
On his deathbed, Aegon IV made a final decision that would change the course of Westerosi history. He legitimized all of his bastard children. This act elevated several powerful and ambitious men into positions where they could claim noble status and influence.
Among those legitimized were the so-called Great Bastards, including Daemon Blackfyre, Brynden Rivers, and Aegor Rivers. While this decision may have seemed harmless at the time, it effectively created multiple rival claimants to power within the Targaryen bloodline. The consequences would soon become clear.
The Birth of the Blackfyre Rebellion
After Aegon IV’s death, the Iron Throne passed to his legitimate son King Daeron II Targaryen.
However, the divisions created by Aegon’s reign had already begun to fracture the realm. Many nobles believed that Daemon Blackfyre, a legendary warrior who carried the sword Blackfyre, would make a stronger ruler than Daeron.
These tensions eventually erupted into the First Blackfyre Rebellion, a civil war that nearly tore the Seven Kingdoms apart. The conflict ended during the Battle of the Redgrass Field, where Daemon Blackfyre was killed by archers loyal to the crown, commanded by Brynden Rivers, also known as Bloodraven.
A Legacy of Chaos
The consequences of Aegon IV’s actions did not end with the First Blackfyre Rebellion. For decades afterward, surviving members of the Blackfyre family attempted to reclaim the Iron Throne, leading to multiple rebellions and conspiracies.
These conflicts weakened the stability of the realm and created lasting divisions among the noble houses of Westeros. By the time the events of A Knight of the Seven Kingdoms take place, the memory of the Blackfyre wars still influences politics across the realm.
The King History Never Forgave
Among the many rulers who sat on the Iron Throne, few are remembered as negatively as Aegon IV.
While other kings fought wars or struggled with difficult political decisions, Aegon’s legacy was largely the result of his own reckless choices.
By legitimizing his bastards and favoring Daemon Blackfyre, he created rival branches of the Targaryen dynasty that would challenge the throne for generations. Because of these decisions, Aegon IV is remembered not as a great king, but as the ruler who planted the seeds of civil war that would haunt Westeros for decades.







