Egg was actually briefly mentioned on Game of Thrones. Maester Aemon Targaryen, whom Jon Snow and Sam Tarly met while at the Wall, was Egg's brother. With his dying breath, Maester Aemon spoke to ...
Standing before Egg, who was 33 when King Maekar kicked it, were three people: his cousin Vaella was a girl, his other cousin Aerion was an infant, and his older brother Aemon was a maester.
Aerion is also the brother of Aegon, Aemon, Daeron, and the son of Maekar Targaryen and Dyanna Dane. As Dunk and Egg venture ...