Mhaegen is a prostitute working and living at a brothel in King's Landing. She works for Lord Petyr Baelish. She is known to King Robert Baratheon and is a former favorite of his. They have an illegitimate daughter named Barra.
Gold Cloaks led by Lord Janos Slynt break into Lord Baelish's establishment, along with a man who identifies Mhaegen as the mother of one of King Robert's bastards. She resists when the Gold Cloaks take Barra from her arms. Lord Slynt kills Barra personally after one of his men cannot go through with it. Mhaegen screams and weeps as the Gold Cloaks restrain her.
|Season One appearances|
|Winter Is Coming||The Kingsroad||Lord Snow||Cripples, Bastards, and Broken Things||The Wolf and the Lion|
|A Golden Crown||You Win or You Die||The Pointy End||Baelor||Fire and Blood|
|Season Two appearances|
|The North Remembers||The Night Lands||What Is Dead May Never Die||Garden of Bones||The Ghost of Harrenhal|
|The Old Gods and the New||A Man Without Honor||The Prince of Winterfell||Blackwater||Valar Morghulis|
In the books
In the A Song of Ice and Fire novels, Mhaegen appears but is not named. She has a a light red hair and freckles on her nose and bosom. Ned estimates she cannot be more than fifteen years old.
The brothel where Mhaegen works is not owned by Littlefinger but by Chataya, a tall and elegant black-skinned woman from the Summer Islands.
She is killed by Allar Deem, a Gold Cloak sent by Lord Slynt, when she tries to protect her baby daughter. She was not explicitly shown to be killed by the Gold Cloaks in the TV series, thus her status in the TV continuity is uncertain. In the next episode, Ros mentiones to Littlefinger that Mhaegen "works for him" and that "the Gold Cloaks killed her baby" so she most likely survived the encounter.