Cersei Lannister

"When you play the game of thrones, you win or you die. There is no middle ground."

―Cersei Lannister to Eddard Stark

Cersei Lannister is the only daughter and eldest child of Lord Tywin Lannister of Casterly Rock and his wife, Lady Joanna Lannister. She is the twin of her younger brother, Ser Jaime Lannister. In the television adaptation Game of Thrones Cersei is played by Lena Headey, and is portrayed by Nell Williams in a Season 5 flashback.

After Robert's Rebellion, Cersei married King Robert IBaratheon and became Queen of the Seven Kingdoms. She is the mother of Prince Joffrey, Princess Myrcella, and Prince Tommen of House Baratheon of King's Landing.