Aegon Targaryen (son of Baelon)
The World of Ice & Fire (mentioned)|
Fire & Blood (mentioned)
Prince Aegon Targaryen was the youngest child of Prince Baelon Targaryen and Princess Alyssa Targaryen. His older brothers were King Viserys I and Prince Daemon Targaryen He presumably died young, as he is not mentioned in Archmaester Gyldayn's work concerning the life of Prince Daemon Targaryen, The Rogue Prince, or, the King’s Brother, detailing the reign of Viserys I Targaryen.