Myrcella Baratheon is a fictional character in the A Song of Ice and Fire series of epic fantasy novels by American author George R. R. Martin, and its television adaptation Game of Thrones. Myrcella's character, development and her interactions and impact differ greatly between the two media.Introduced in 1996's A Game of Thrones, Myrcella is the only daughter of Cersei Lannister from the kingdom of Westeros. She subsequently appeared in Martin's A Clash of Kings (1998) and A Feast for Crows (2005).