Annabeth Chase first appears in The Lightning Theif when she is 12 years old. In the The Last Olympian she is 16. Annabeth is the daughter of Athena. She was born out of Athena's head the same as Athena from Zeus. After a couple of years annabeth's dad got remarried. Her new mom could tell that Annabeth was different and, having kids of here own before marriage, didn't treat Annabeth like she did her other kids. Finally, at the age of 7, Annabeth ran away and was found by Luke and Thalia. They worked as a team, getting food, fighting monsters, and anything else that they did. After a while Grover Underwood found them and brought them to Camp Half-Blood. There she met Percy Jackson, her soon to be boy-friend.