Claim: Jaime Lannister is a fictional character in the Game of Thrones book.
Evidence: Introduced in A Game of Thrones -LRB- 1996 -RRB- , Jaime is a knight of the Kingsguard and a member of House Lannister , one of the wealthiest and most powerful families in the fictional kingdom of Westeros.
A Game of Thrones is the first novel in A Song of Ice and Fire , a series of fantasy novels by American author George R. R. Martin.