wife and two sons. In The Titan's Curse, he battles monsters on the Princess Andromeda with bullets formed from celestial bronze, and, at the end of the book, is able to mend his relationship with his daughter. Frederick also appears in the Magnus Chase & The Gods of Asgard series, where he is called by his brother, Randolph, to visit Boston and search for his long-estranged nephew, Magnus who had been missing for two years, after the death of his mother/ Fredrick and Randolph's sister Natalie. Mrs. Chase – Frederick's wife and Annabeth's stepmother. She is an Asian woman and the mother of Annabeth's two half-brothers, with whom Annabeth barely has a relationship. She had a dispute over the trouble monsters caused when hunting Annabeth, and that was one of the factors that led Annabeth to run away from home at the age of 7. Though Annabeth describes her in a negative light, Percy is stunned when he actually meets Mrs. Chase, because she is kind and even wants Percy to tell Annabeth that she still has her home in San Francisco. Bobby and Matthew Chase – The sons of Fredrick and Mrs. Chase and Annabeth's younger half-brothers. Natalie Chase – The younger sister of Randolph and Frederick, the aunt of Annabeth and the mother of Magnus. She distanced herself from her brothers and lived with Magnus as a single mother until her death at the hands of the wolves of Fenris Wolf when Magnus was 14 years old. She liked to walk with Magnus through sunlit parks, which Magnus realizes much later is a way for them to get closer with his father, Frey. Randolph Chase – Magnus' and Annabeth's uncle and the older brother of Frederick and Natalie. He was a professor of history at Harvard before being expelled for theorizing on the location of the first great Norse settlement in North America. He deliberately distanced himself with from all of his family when Magnus was 6 years old. Randolph had lost his wife, Caroline, and two daughters, Emma and Aubrey, in an attempt to search for the Norse boat. Randolph is secretly in league with Loki, who wants Sumarbrander. In The Hammer of Thor, he works in freeing Loki with Skofnung Blade and falls to a hole that leads to Helheim. Magnus discovers that Randolph has designated him and Annabeth to inherit his property, including his mansion,