The first lord of the Seven Kingdoms, known as Aegon the Conqueror, the founder of the long lasting Targaryen dynasty and the rider of Balerion the Black Dread.
"Together with his sisters, Visenya and Rhaenys, and their dragons, Vhagar and Meraxes, Aegon I Targaryen subdued six of the Seven Kingdoms, successfully resisted only by Dorne."
SPOILER SPOILER SPOILER
A Aegon Targaryen is a Jon Snow. WHAT THE HELL GUYS!!!! FANGIRL DEATH
Is name is Aegon Targaryen - Lyanna Stark at her death