Who is Rhaegar Targaryen son?

Aegon Targaryen Aegon Targaryen (son of Rhaegar Targaryen and Elia Martell. From his first marriage - to the Lady Elia Martell of Dorne - Rhaegar had two children: Rhaenys and Aegon. Little is known of this Aegon, except that he was murdered by Gregor "The Mountain" Clegane, even as his mother and sister were also slain.

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Why do dragons like Targaryens?

Targaryens are one of the powerful Valyrian Houses that could control dragons. It is believed that Valyrians could control dragons by means of dragon-horns and sorcery. This seems believable because while Dany has three dragons, she has never yet been able to really control them. Keeping this in consideration, why do targaryens go mad? House Targaryen carries the trait for insanity in its bloodline. Over three hundred years of heavy inbreeding, marrying brother to sister whenever possible to "keep the bloodline pure," resulted in many of the medical problems seen with incest, particularly mental instability.

Regarding this, why do the targaryens have dragon blood?

The phrase "blood of the dragon" refers to the Valyrian descent of the Targaryens, and more specifically to the fact that they were one of forty dragonlord families of Valyria. The Targaryens are seen as prone to madness, presumably caused by their inbreeding. Consequently, how is maester aemon related to jon snow? Aemon was the maester at Castle Black in service of the Night's Watch. He was born Aemon Targaryen and was the last known Targaryen in Westeros. He was the great-uncle of Daenerys Targaryen, and unbeknownst to him, the great-great uncle of Jon Snow.

One may also ask is rhaegar a dragon?

Jorah: Can you wake the dead, girl? Your brother Rhaegar was the last dragon, and he died on the Trident. Viserys is less than the shadow of a snake. Rhaegar and his children died during Robert's rebellion. Did Lyanna Stark Love Rhaegar Targaryen? Rhaegar Targaryen and Lyanna Stark began their relationship as secret lovers, yet eventually married in a private ceremony. Most in Westeros believed that Rhaegar had kidnapped Lyanna, who was betrothed to Robert Baratheon, and raped her, but they had in fact loved each other.