Mhaegen

Mhaegen is a character in Game of Thrones. She is played by Antonia Christophers and appears in the first season.

Mhaegen is a prostitute working at the establishment known as Chataya's in King's Landing. She is known to King Robert Baratheon and is a former favourite of his.

In the books
In the Song of Ice and Fire novels Mhaegen appears but is not named. She has a daughter, Barra.