Introduction: Why the House of the Dragon Family Tree Is So Complicated
The House of the Dragon family tree can feel like a maze. One prince may be a brother, an uncle, and a husband at the same time. Another may have a claim to the Iron Throne but face a rival from his own home. This is what makes the world of House of the Dragon so gripping.
Set about 200 years before Game of Thrones, the HBO series tells the story of House Targaryen at the height of its power. Dragons fill the sky, but family ties shape the fate of the realm. The death of King Viserys I sparks a bitter fight over who should rule Westeros.
To make things easier, this guide breaks down the main Targaryen family members, their children, their marriages, and their claims to the throne. You will also learn how House Velaryon and House Hightower fit into the story.
House of the Dragon Family Tree at a Glance
Before looking at each character, it helps to see how the main families connect. The Targaryens hold royal power, the Velaryons bring wealth and ships, and the Hightowers help drive the struggle for the crown.
| Character | Family Connection | Role in the Story |
|---|---|---|
| Viserys I Targaryen | Father of Rhaenyra and Aegon II | King whose death sparks the war |
| Rhaenyra Targaryen | Daughter of Viserys; wife of Daemon | Main claimant to the Iron Throne |
| Daemon Targaryen | Viserys’s brother; Rhaenyra’s husband | Warrior and key ally of Rhaenyra |
| Alicent Hightower | Second wife of Viserys | Mother of Aegon II, Helaena, Aemond, and Daeron |
| Aegon II Targaryen | Son of Viserys and Alicent | Rival claimant to the throne |
| Rhaenys Targaryen | Cousin of Viserys; wife of Corlys | Known as the Queen Who Never Was |
| Corlys Velaryon | Husband of Rhaenys | Lord of Driftmark and naval leader |
King Viserys I Targaryen: The Father at the Center of the War
King Viserys I Targaryen sits at the heart of the family tree. He is the older brother of Daemon and the father of Princess Rhaenyra. At first, he hopes to keep the realm at peace and avoid a fight over the crown.
After his first wife, Aemma Arryn, dies, Viserys marries Alicent Hightower. They have four children: Aegon II, Helaena, Aemond, and Daeron. This creates two rival branches of the royal family.
Viserys names Rhaenyra as his heir, but many lords expect a king’s eldest son to take the throne. When Viserys dies, his supporters and Alicent’s allies back different rulers. His choice of heir becomes the spark that sets the Dance of the Dragons in motion.
Rhaenyra Targaryen: The Princess Who Claims the Throne
Rhaenyra Targaryen is Viserys’s first-born child and his chosen heir. She grows up believing that she will one day rule Westeros. Yet her path to the throne is far from easy.
Rhaenyra first marries Laenor Velaryon, the son of Corlys and Rhaenys. They have three sons: Jacaerys, Lucerys, and Joffrey. Many people in the realm believe that Ser Harwin Strong is their true father, which weakens their claim in the eyes of her enemies.
She later marries her uncle Daemon Targaryen. Their sons are Aegon III and Viserys II. Rhaenyra’s supporters, known as the Blacks, fight to defend her right to rule. Her rivals, the Greens, argue that her half-brother Aegon II should be king.
Daemon Targaryen: The Rogue Prince
Daemon Targaryen is the younger brother of King Viserys and one of the most dangerous warriors in the realm. He rides the red dragon Caraxes and carries the famous sword Dark Sister. His bold nature often makes him as hard to control as the dragons he commands.
Daemon has two daughters, Baela and Rhaena, with his second wife, Laena Velaryon. After Laena’s death, he marries Rhaenyra, his niece. Their sons, Aegon III and Viserys II, link his branch of the family to the future of House Targaryen.
This makes Daemon both Rhaenyra’s uncle and husband. He is also the uncle of her older sons and the father of their younger half-brothers. These ties show why the House of the Dragon family tree can be hard to follow, even for devoted fans.
Alicent Hightower: The Queen Between Two Families
Alicent Hightower begins as Rhaenyra’s close friend. Her marriage to King Viserys changes their bond forever. She becomes Rhaenyra’s stepmother and the mother of the king’s four younger children.
Her eldest son, Aegon II, becomes the center of the Green claim to the Iron Throne. Alicent’s other children are Helaena, Aemond, and Daeron. Each has a place in the royal line, though their goals and choices differ.
Alicent’s father, Otto Hightower, helps push Aegon toward the throne. His plans turn a family dispute into a struggle for power. Alicent is caught between her children, her old friendship with Rhaenyra, and the growing cost of war.
Aegon II Targaryen: The Rival King
Aegon II is the eldest son of Viserys and Alicent. Although Viserys named Rhaenyra as his heir, many lords believe Aegon should rule because he is the king’s eldest son. His supporters crown him king after Viserys dies.
Aegon II is married to his sister Helaena, following the Targaryen custom of keeping royal marriages within the family. They have twins, Jaehaerys and Jaehaera, as well as a younger son in the wider family history.
Aegon’s claim divides the realm. His supporters are called the Greens, while Rhaenyra’s supporters are the Blacks. The fight between these two branches turns the Targaryen family tree into a battlefield, where even close kin can become deadly foes.
Aemond, Helaena, and Daeron: The Other Children of Viserys
Viserys and Alicent’s other children each play a different role in the conflict. Their family links are simple on paper, but their actions make the royal struggle far more complex.
Aemond Targaryen: Aegon II’s younger brother. He rides Vhagar, one of the largest and oldest dragons, and has a fierce desire for revenge.
Helaena Targaryen: Aegon II’s sister and wife. She is the mother of Jaehaerys and Jaehaera.
Daeron Targaryen: The youngest son of Viserys and Alicent. He grows up away from King’s Landing and rides the blue dragon Tessarion.
Aemond’s feud with Rhaenyra’s sons helps fuel the war. Helaena’s children become victims of the same family conflict. Daeron adds another royal dragon rider to the Green side. Together, these siblings show how one king’s family can split into rival camps.
House Velaryon: The Sea Lords Behind the Iron Throne
House Velaryon is one of the most powerful families in Westeros. Its wealth comes from the sea, and its ships help shape the fate of the realm. Lord Corlys Velaryon, known as the Sea Snake, leads the house with his wife, Princess Rhaenys Targaryen.
Corlys and Rhaenys have two children: Laenor Velaryon and Laena Velaryon. Laenor marries Rhaenyra, while Laena marries Daemon. These marriages tie the Velaryons to both major branches of the royal family.
Corlys also has two sons born outside his marriage, Addam and Alyn of Hull. Their rise creates new questions about family, name, and inheritance. In a world where blood ties can decide who rules, their place in the House of the Dragon family tree matters more than it first seems.
Rhaenys Targaryen: The Queen Who Never Was
Rhaenys is a cousin of King Viserys and a granddaughter of King Jaehaerys I. Many believe she has a strong claim to the Iron Throne, but the Great Council chooses Viserys instead. This choice earns her the name the Queen Who Never Was.
She marries Corlys Velaryon and has two children, Laenor and Laena. Through them, she becomes the grandmother of Jacaerys, Lucerys, Joffrey, Baela, and Rhaena. Her family connects the royal bloodline with the powerful fleet of Driftmark.
Rhaenys supports Rhaenyra during the civil war. Her story also shows a key theme of the series: birth alone does not guarantee power. Even a royal woman with a strong claim can be passed over when powerful men choose a different heir.
Laenor and Laena Velaryon: Two Siblings, Two Family Branches
Laenor Velaryon is the elder child of Corlys and Rhaenys. His marriage to Rhaenyra is meant to strengthen the bond between their houses. Although he is believed to be the father of her first three sons, many people suspect that Ser Harwin Strong fathered them.
Laenor later escapes Westeros and is presumed dead by those he leaves behind. His fate makes the family line harder to understand, especially when people question the true parentage of Rhaenyra’s sons.
Laena Velaryon, his younger sister, marries Daemon Targaryen. They have two daughters, Baela and Rhaena. Laena dies during childbirth, leaving her daughters to grow up amid a royal conflict that reaches far beyond their own household.
Rhaenyra’s Children: Who Will Carry Her Legacy?
Rhaenyra’s children form a key part of the House of the Dragon family tree. Their place in the line of succession is central to the war, and their family ties link the Targaryens, Velaryons, and House Strong.
| Child | Parents or Believed Parents | Key Detail |
|---|---|---|
| Jacaerys Velaryon | Rhaenyra and Laenor, with Harwin Strong widely believed to be his father | Rhaenyra’s eldest son; dies in the Battle of the Gullet |
| Lucerys Velaryon | Rhaenyra and Laenor, with Harwin Strong widely believed to be his father | Killed by Aemond and Vhagar |
| Joffrey Velaryon | Rhaenyra and Laenor, with Harwin Strong widely believed to be his father | Rhaenyra’s youngest son from her first marriage |
| Aegon III Targaryen | Rhaenyra and Daemon | Later becomes a Targaryen king |
| Viserys II Targaryen | Rhaenyra and Daemon | Later becomes a Targaryen king |
Jacaerys, Lucerys, and Joffrey are raised as Velaryons. Yet rumors about their father create doubt among their enemies. In a royal family, even a whisper can become a weapon.
Aegon III and Viserys II belong to the next branch of the Targaryen line. Their father is Daemon, which gives them a direct link to both Viserys I and Daemon’s royal bloodline.
Baela and Rhaena Targaryen: The Daughters of Daemon
Baela and Rhaena are the daughters of Daemon Targaryen and Laena Velaryon. They are also the granddaughters of Corlys and Rhaenys, which makes them part of both the Targaryen and Velaryon families.
Baela Targaryen rides the dragon Moondancer and supports Rhaenyra’s claim. She is betrothed to Jacaerys, linking the two family branches even more closely. Her courage puts her near the heart of the conflict.
Rhaena Targaryen has a different path. She spends time away from the main fighting and seeks a dragon of her own. Her bond with the wild dragon Sheepstealer gives her a new role in the struggle.
Their stories show that the younger generation is not simply watching the adults fight. They are dragon riders, heirs, and political players whose choices may shape the future of House Targaryen.
Addam and Alyn of Hull: Corlys’s Hidden Sons
Addam and Alyn of Hull are the sons of Corlys Velaryon and a woman from Hull. They are born outside his marriage to Rhaenys, so they do not begin life with the same status as his legitimate heirs.
Their fortunes change when Addam claims a dragon and Alyn proves his worth. Corlys begins to see them as possible heirs, bringing their family status into the wider political struggle.
Their story raises an important question: what makes someone fit to inherit a great house? Is it birth, loyalty, courage, or the power to protect the family? In Westeros, the answer is rarely simple.
Hugh Hammer and Ulf White: Dragonseeds With Targaryen Blood
Not every dragon rider comes from a royal home. During the war, Rhaenyra seeks people with Valyrian blood who may be able to claim dragons. These people are often called dragonseeds.
Hugh Hammer is a blacksmith who claims the dragon Vermithor. He later reveals a family link to Princess Saera Targaryen, making him a descendant of the old royal line.
Ulf White also claims a dragon, Silverwing. He says that he is the son of Baelon Targaryen and the half-brother of King Viserys I and Daemon.
Their claims add new branches to the House of the Dragon family tree. They also show why dragon blood matters so much: a person with the right ancestry may gain a weapon that can change the balance of a war.
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Otto and Ormund Hightower: The Family Behind the Green Cause
House Hightower is not part of House Targaryen by birth, but it becomes central to the royal conflict. Otto Hightower is Alicent’s father and the grandfather of Aegon II, Helaena, Aemond, and Daeron.
Otto serves as Hand of the King and helps build support for Aegon’s claim. His political skill turns a family marriage into a path toward royal power. He believes that placing Aegon on the throne will protect his family and strengthen its influence.
Ormund Hightower, Otto’s brother, also supports the Green side. He is connected to Alicent’s children through their family line and helps lead the Hightower cause. The Hightowers show how marriage and political alliances can make an outside family a major force in a royal dispute.
Frequently Asked Questions About the House of the Dragon Family Tree
1. Who Is the Main Family in House of the Dragon?
House Targaryen is the main royal family. The story focuses on King Viserys I, his daughter Rhaenyra, his son Aegon II, and the relatives who take sides in their fight for the Iron Throne.
2. Is Daemon Targaryen Related to Rhaenyra?
Yes. Daemon is the younger brother of Rhaenyra’s father, King Viserys I. This makes him her uncle before he becomes her husband.
3. Who Are Rhaenyra Targaryen’s Children?
Rhaenyra has Jacaerys, Lucerys, and Joffrey from her first marriage to Laenor Velaryon. She later has Aegon III and Viserys II with Daemon Targaryen.
4. Are Aegon II and Rhaenyra Siblings?
Yes. They share the same father, King Viserys I, but have different mothers. Rhaenyra is the daughter of Aemma Arryn, while Aegon II is the son of Alicent Hightower.
5. Who Are the Blacks and the Greens?
The Blacks support Rhaenyra’s claim to the throne. The Greens support Aegon II, with Alicent Hightower and her allies playing key roles in his cause.
6. How Are Baela and Rhaena Related to Rhaenyra?
They are Daemon’s daughters from his marriage to Laena Velaryon. Since Daemon later marries Rhaenyra, Baela and Rhaena become Rhaenyra’s stepdaughters and the half-sisters of her younger sons.
7. Who Are the Dragonseeds?
Dragonseeds are people with Valyrian ancestry who may be able to claim dragons. Hugh Hammer, Ulf White, and Addam Velaryon are among the figures connected to this part of the story.
8. Why Is the House of the Dragon Family Tree So Hard to Follow?
The family tree combines royal marriages, half-siblings, disputed parentage, and children born outside marriage. These ties also affect inheritance and political loyalty, so knowing who is related to whom helps explain the war.
Final Thoughts
The House of the Dragon family tree is more than a list of names. It is the key to understanding why the Targaryens turn against one another and why the fight for the Iron Throne becomes so deadly. Every marriage creates an alliance, every heir brings a new claim, and every family secret can change the course of history.
Once you understand how Viserys, Rhaenyra, Daemon, Alicent, and the Velaryons connect, the story becomes much easier to follow. The dragons may rule the skies, but family ties decide who dares to claim the crown.