The Burning Maze horse is Incitatus, and its owner is the third emperor, Caligula. They return to Aeithales and convey the news to the spirits. Grover tells Apollo about a part of the Labyrinth that is burning, causing droughts and water shortage in the upper world. Hedge and Mellie reveal that Piper McLean and Jason Grace had explored the Labyrinth. Apollo decided to meet with them. Meg plants the seeds with which her father had planned to reincarnate the Meliai. Apollo, Meg and Grover meet Piper and bring Jason, who had broken up with Piper, from his school the following day. Jason confidentially
Frederick I, Holy Roman Emperor from the donkey. To add to this debasement, they were made to announce, ""Ecco la fica"" (meaning "behold the fig"), with the feces still in their mouths. It used to be said that the insulting gesture, (called fico), of holding one's fist with the thumb in between the middle and forefinger came by its origin from this event. Frederick's first marriage, to Adelheid of Vohburg, did not produce any children and was annulled. From his second marriage, to Beatrice of Burgundy, he had the following children: Frederick I, Holy Roman Emperor Frederick I (, ; 1122 – 10 June 1190),