Prince Jacaerys Velaryon, also known as Jace, was Princess Rhaenyra Targaryen’s firstborn son with her first husband, Ser Laenor Velaryon.
Rhaenyra named Jacaerys as Prince of Dragonstone and heir to the Iron Throne when she was crowned queen during the Dance of the Dragons. Jacaerys was a dragon rider, and his dragon’s name was Vermox.
Will Jacaerys Ever Be King on “House of the Dragon”? Here’s What Happens in the Book
As civil war approaches in “House of the Dragon,” it becomes clear that entire families, including their youngest members, will be drawn into battle.
We’ve already met Jacaerys Velaryon as a child, but his story is just getting started, according to George R.R. Martin’s book “Fire & Blood.”
Jacaerys Velayron, also known as Jace, is Rhaenyra Targaryen’s firstborn son with her first husband, Laenor Velaryon. That is, at least, what is publicly stated. In reality, he is the first son of Rhaenyra and her lover Ser Harwin Strong, with whom she has three sons, all of whom are claimed by Laenor, who is secretly gay.
King Viserys orders that his own son Daeron and Jace share a wet nurse, hoping that the pair’s status as “milk brothers” will help ease the likely animosity between the two branches of the family. Of course, that does not work out.
As is customary, a dragon egg is placed in Jace’s cradle, and the dragon Vermax eventually hatches for him. When Alicent’s sons mock the Velaryon boys and accuse them of being illegitimate Velaryons, Jace and his brothers become bitter enemies of Viserys and Alicent’s children.
A similar charge is leveled against the boys during the squabble over who should succeed Corlys Velaryon, with a Velaryon cousin accusing them of not being legitimate heirs.
Jacaerys and Baela’s Relationship
Jace is formally betrothed to his cousin Baela Targaryen, the daughter of Daemon Targaryen and Laena Velaryon (Laenor’s sister) when he is only four years old.
Of course, because they are so young, their actual marriage is not scheduled to take place for many years. However, when Jace is 14 years old, the civil war known as the Dance of the Dragons begins, and he takes on the role of envoy and heir to rally support for his mother’s cause.
During his journeys, Jace travels north in search of Lord Cregan Stark, Lord of Winterfell, and head of the Stark family.
While there, he is said to have fallen in love with Sara Snow, Cregan’s illegitimate half-sister, and to have secretly married her — though this rumor, or at least the part about Jace marrying Sara, is debatable. In any case, Jace continues to postpone his marriage to Baela, insisting on waiting until the war is over.
How Does Jacaerys Die?
As the Dance of the Dragons claims more and more lives, including his middle brother, Lucerys, Jace tries to keep his other family members safe.
He arranges for his younger half-brothers, Aegon and Viserys, to be smuggled to safety in Pentos, but their ship is captured, and Aegon escapes on his dragon. During the ensuing battle, Jace and Vermax lead other Dragonriders in an attack on the Triarchy fleet.
At first, it appears that they will win, but Vermox is injured and crashes into a ship. Jace survives the crash landing but is killed by a crossbow attack.
Jace’s death leaves a significant void in Rhaenyra and her allies’ cause, but his quick thinking to save his younger brothers proves wise — both Aegon and Viserys end up as kings of Westeros after the civil war.