House of the Dragon 3: The Minimum Targaryen Tree for Understanding the August 9 Ending

In this family, kinship and alliance are not the same thing. A brother can compete for the other's throne, a husband can hide information from his wife and a son can become a threat to his own mother.

The third season of House of the Dragon will have eight episodes. HBO confirmed the finale for August 9, 2026, after a weekly airing that began on June 21. This guide was updated on August 4, 2026, after episode 7.

The goal is not to reconstruct the entire Targaryen genealogy going back to Aegon the Conqueror. The tree below only includes relationships that help understand the succession conflict and possible decisions in the last episode of the season.

Spoiler warning: the first part recalls relationships established in previous seasons. After that, each third season update appears identified by the corresponding episode. There are no anticipations of the book Fire & Blood beyond what the series has already shown.

How to read this tree without getting lost

There are four different connection types in House of the Dragon:

• Relationship: defines who is descended from whom.
• Marriage: creates public legitimacy, but does not guarantee trust or affection.
• Succession: determines who can stake a claim to the Iron Throne.
• Loyalty: can change from one episode to the next, even between close relatives.

The most common mistake is to treat these four links as if they were the same. Rhaenyra and Daemon remain married, for example, but that doesn't mean they're politically aligned. Aegon, Aemond and Daeron are brothers, but each one can represent a different project of power.

The Minimal Targaryen Tree

The starting point is the late King Viserys I Targaryen, whose two marriages formed the branches vying for the Crown.

• Viserys I Targaryen
  • With Aemma Arryn:
    • Rhaenyra Targaryen
      • Public marriage with Laenor Velaryon:
        • Jacaerys “Jace” Velaryon †
        • Lucerys “Luke” Velaryon †
        • Joffrey Velaryon
      • Marriage with your uncle Daemon Targaryen:
        • Aegon the Young
        • Viserys
  • With Alicent Hightower:
    • Aegon II Targaryen
    • Helaena Targaryen
    • Aemond Targaryen
    • Daeron Targaryen

Before marrying Rhaenyra, Daemon was the husband of Laena Velaryon, with whom he had:

• Baela Targaryen
• Rhaena Targaryen

Aegon II and Helaena, in addition to being siblings, are married. His known children are:

• Jaehaerys Targaryen †
• Jaehaera Targaryen

The series' official descriptions present Rhaenyra as Viserys' firstborn and appointed heir; Aegon as the king's first son; Aemond as Aegon's younger brother; Helaena as the monarch's sister-wife; Baela and Rhaena as daughters of Daemon and Laena; and Jace as Rhaenyra's eldest son and heir, although his paternity has been publicly questioned.

Why Viserys's two marriages still decide the war

The dispute began because Viserys made two decisions that pointed in different directions.

First, he named Rhaenyra his heir and made the high lords swear fealty to her. Later, he had sons with Alicent. When Viserys died, Aegon's supporters used the custom of male preference to crown him, while Rhaenyra maintained that the king's expressed will could not be overruled.

Therefore, war does not pit an unentitled heir against an undisputed king. It opposes two interpretations of legitimacy:

• Rhaenyra: was formally chosen by the monarch.
• Aegon II: is the eldest male son of Viserys and was anointed and crowned.

Aemond and Daeron did not begin the war as primary suitors. They become relevant when Aegon disappears, weakens or stops controlling his own group.

Rhaenyra's branch before the end

Rhaenyra: the named heir who already occupies the throne

Rhaenyra began the season as the ruler of the Blacks and, in episode 2, took King's Landing and sat on the Iron Throne. This did not end the war. The capital's conquest gave it the ultimate symbol of power, but it did not eliminate Aegon, Aemond, Daeron, or the armies that still reject its authority.

His position also became more fragile after Jace's death. The firstborn was not just his son: he was the adult heir capable of negotiating, fighting and representing the immediate continuity of his reign.

Daemon: uncle, husband and unpredictable ally

Daemon is Viserys' brother, Rhaenyra's uncle and, after their marriage, also her consort.

He has military experience and the dragon Caraxes, but does not function as an ordinary subordinate. In the third season, he hides from Rhaenyra that his own daughter, Rhaena, rode Sheepstealer during the battle in which Jace died. To protect her, he presented the head of a stranger as if it were that of the knight responsible.

In episode 7, the lie was exposed. Rhaenyra recovered Rhaena, but was not reconciled with Daemon. Marriage continues to exist; political trust, no.

Jace, Luke and Joffrey: three children, three different situations

Lucerys died at the end of the first season, after the confrontation between Arrax and Vhagar.

Jacaerys died in the Battle of the Goela, in the first episode of the third season. Vermax was hit and swept out to sea; Jace ended up killed by enemy arrows. Baela, his cousin, half-sister by marriage and fiancée, survived.

Joffrey is now the eldest living son of Rhaenyra's first union. Publicly, he remains a legitimate Velaryon. However, doubts about the paternity of the three brothers make their position politically vulnerable.. He and his dragon Tyraxes are also too young to play the military role that Jace played at the end of the season.

Aegon the Younger and Viserys: heirs who do not yet command history

Rhaenyra's two children with Daemon have Targaryen blood on both sides. This strengthens their dynastic legitimacy, but they are still children and do not function as political or military leaders at the current stage of the series.

For the final episode, they matter less for what they can do now and more for what they represent: the continuation of Rhaenyra's branch should her eldest sons be eliminated or challenged.

Baela and Rhaena: sisters, but not equivalent pieces

Baela is the daughter of Daemon and Laena, was engaged to Jace and rides Moondancer. Her position remains linked to the Blacks, although her fiancé's death removed her future role as the heir's consort.

Rhaena, his sister, went from a dragonless Targaryen to Sheepstealer knight. The conquest was supposed to increase his military value, but it contributed to the chaos of the Battle of the Gulch and Jace's death. Daemon hid his responsibility, turning his daughter into a breaking point within his marriage to Rhaenyra.

At the end of episode 7, Rhaena is once again under Rhaenyra's protection, while Sheepstealer's fate remains ambiguous. This makes her simultaneously a daughter, a stepdaughter, a possible war knight and a living reminder of the death of the former heir.

Alicent's branch before the end

Aegon II: deposed but not eliminated

Aegon lost King's Landing and spent much of the season injured, hidden and accompanied by Larys Strong. Still, there is a decisive difference between losing the capital and losing the claim.

He was publicly crowned and anointed. As long as you are alive, your supporters can treat you as the rightful monarch, even if someone else is sitting on the Iron Throne.

In episode 7, Sunfyre reappeared alive and defended his knight. The dragon is badly scarred and apparently cannot fly normally, but its return gives Aegon back a dynastic symbol and military strength that seemed lost.

Helaena: sister, wife, mother and possible succession center

Helaena is the sister and wife of Aegon II. She is also the mother of Jaehaera and the late Jaehaerys.

The third season also revealed that she is pregnant. The pregnancy was not publicly announced and Rhaenyra agreed to keep it a secret, but a new child — especially if it is a man — could offer the Greens another name for the succession.

Helaena is also a dreamer, capable of having visions. In episode 7, the series finally showed Dreamfyre, her dragon, during one of these experiences. Director Nina Lopez-Corrado explained that the character fears the way dragons and power transform the Targaryens, which is why she doesn't want to simply become another weapon of the family.

Thus, Helaena reaches the end as a character with four possible roles: prisoner, mother of heirs, source of predictions and knight who refuses to participate in the war.

Aemond: Aegon's brother and candidate for his own ambition

Aemond began the season occupying the space left by Aegon and using Vhagar, the largest dragon involved in the war. In episode 7, he made it clear that he intends to build his own power in Harrenhal and, in the future, take the Iron Throne.

Alicent arrived at Harrenhal after accepting Rhaenyra's demand to kill her own son. Unable to stab him, he put belladonna in his wine. The attempt failed: Aemond survived with the help of Alys Rivers, and Alicent fled.

The family relationship, therefore, was inverted. Alicent has already used Aemond to sustain the Greens' power; now considers him a threat to his daughter and possible grandson.

Daeron: the prince that Ormund wants to make king

Daeron is the fourth son of Viserys and Alicent, younger brother of Aegon, Helaena and Aemond. He was raised away from court, under the tutelage of the Hightowers.

In episode 3, Ormund handed Daemon a boy disguised as Daeron. Alicent immediately recognized that the young man was an impostor. The true prince remained with Ormund and was revealed in Tumbleton.

With Aegon away and Aemond pursuing his own project, Ormund began to prepare Daeron as an alternative. The boy is also linked to Tessarion, the Blue Queen, which gives him military and dynastic value.

Daeron does not need to desire the Crown to be dangerous. It's enough that other men need a young, controllable, dragon-riding Targaryen.

Who is a relative, who is an ally and who can betray

The table shows why a conventional family tree is not enough. She explains the blood, but she doesn't explain that Alicent tried to kill Aemond, that Daemon lied to protect Rhaena, or that Ormund tries to use Daeron against his own brothers.

External alliances that alter the tree

Not all decisive characters belong to the family.

Ormund Hightower

Ormund is Alicent's cousin, lord of House Hightower and Daeron's political tutor. Control Tumbleton, keep Corlys Velaryon in custody, and try to turn the youngest prince into a manageable candidate.

In episode 7, he also approached Ulf, offering him Driftmark in exchange for betrayal against Rhaenyra.

Ulf, Hugh and Addam

All three are dragon seeds embodied by Rhaenyra:

• Ulf rides Silverwing and is inclined to accept Ormund's proposal.
• Hugh rides Vermithor and is still part of the Black force.
• Addam rides Seasmoke and remained by Rhaenyra's side in the confrontation involving Rhaena.

They demonstrate that remote or presumed Targaryen blood may offer access to a dragon, but does not automatically produce loyalty.

Corlys Velaryon

Corlys was a pillar of Rhaenyra's claim and commanded the Velaryon naval power. The relationship deteriorated after the losses of their family and Rhaenyra's refusal to legitimize Addam and Alyn.

Now a prisoner of Ormund, Corlys can be used to pressure Alyn, the Driftmark fleet, and the fighters still linked to the Velaryon name.

Mysaria

Mysaria does not have a dynastic claim, but has direct access to the queen and influences her reading of allies. In episode 7, his relationship with Rhaenyra also became intimate.

This doesn't change the blood tree, but it interferes with the marriage that sustains part of the Blacks' strength: the more Rhaenyra trusts Mysaria, the less political space there is for Daemon.

Alys Rivers

Alys welcomed Aemond to Harrenhal, became his lover and neutralized Alicent's poisoning attempt.

She does not formally join the succession, but helps Aemond imagine a future independent of Aegon, Alicent and King's Landing. Your presence strengthens a third project within the Green branch itself.

Season 3 spoilers timeline

Spoilers for episode 1

Jace and Baela enter the Battle of the Gulch. Rhaena appears riding Sheepstealer, but loses control of the dragon. Vermax is struck and Jace dies, eliminating Rhaenyra's adult heir.

Spoilers for episode 2

Rhaenyra and her dragons enter King's Landing. The Gold Cloaks switch sides, Otto Hightower is executed, and Rhaenyra occupies the Iron Throne. Aegon, however, is not in the capital to be captured.

Spoilers for episode 3

The supposed Daeron handed over to the Blacks is unmasked as an impostor. The true prince remains with Ormund. Alicent and Helaena are in the custody of Rhaenyra, who faces a lack of money, internal disputes and resistance to her legitimacy.

Spoilers for episode 4

Daemon finds Rhaena and discovers her involvement in Jace's death, but lies to protect her. The real Daeron is presented in Tumbleton and begins to be shaped by Ormund. Alicent realizes that Helaena is pregnant.

Spoilers for episode 5

Alicent and Helaena's escape attempt fails. Aemond remains linked to Harrenhal and Alys, while Daeron grows in importance among the Hightowers. The instability within King's Landing makes it clear that Rhaenyra's victory did not pacify the city.

Spoilers for episode 6

Christon Cole dies in an ambush by Riverlands forces. Alicent offers to locate Aemond, but Rhaenyra demands that she kill him herself. Corlys falls into the hands of Ormund.

Spoilers for episode 7

Alicent's attempt to poison Aemond fails. Rhaena is discovered, rescued and taken back to King's Landing, while Rhaenyra breaks up with Daemon. Sunfyre returns to protect Aegon. Ormund offers Driftmark to Ulf, preparing for a possible defection before the battle.

The minimum map to open before the final episode

Before you watch the August 9th episode, these are the relationships that really need to be fresh:

1. Rhaenyra and Aegon remain the two original suitors. She has the capital; he retains the coronation, the royal name and Sunfyre.
2. Aemond doesn't just fight for Aegon. He already imagines a kingdom of his own and controls Vhagar.
3. Daeron can be used as a third Green king. Ormund has a young prince, an army and Tessarion.
4. Rhaenyra and Daemon's marriage no longer amounts to a stable alliance. The lie about Rhaena destroyed the trust between the two.
5. Helaena and her pregnancy alter succession calculations. Alicent has already demonstrated that she is willing to sacrifice a son to protect her daughter.
6. Jace has died and there is no immediate adult replacement. Joffrey and Rhaenyra's children with Daemon represent continuity, but do not command armies.
7. Dragonriders are not owned by one faction. Ulf can change sides, and Sheepstealer remains unpredictable.
8. Corlys is simultaneously ally, father and hostage. His fate may influence the Velaryon fleet and the children he has finally recognized.

What is not necessary to review

To understand the last episode of the season, there is no need to memorize it:

• all the kings between Aegon the Conqueror and Viserys;
• the offspring that will lead to Daenerys in Game of Thrones;
• the Targaryen branches that do not appear in the current war;
• future events of Fire & Blood;
• every dragon ever mentioned in the history of Westeros.

The relevant question is not “who descended from whom until Game of Thrones?” It is: which descendant of Viserys still has enough name, allies, army and dragon to be treated as sovereign?

Rhaenyra occupies the throne. Aegon recovered Sunfyre. Aemond wants a kingdom of his own. Daeron is being prepared by Ormund. Helaena carries a new succession possibility. And Daemon, although he remains the queen's husband, is no longer an ally she trusts.

This is the minimum tree needed for the end: not a continuous line of ancestors, but several branches trying to decide which one can continue to exist.

After watching the August 9th episode, follow the coverage of the outcome and return to the chronology to see which family ties lasted — and which alliances burned first.