Xuthus is a character from ancient Greek mythology, often associated with the region of Athens. He is known as the son of Apollo, the god of music, prophecy, and healing. Xuthus is also recognized as the father of Ion, a significant figure in Greek myths, who is linked to the founding of the Ionian people. In the myths, Xuthus marries Creusa, the daughter of Erechtheus, the king of Athens. Their story highlights themes of lineage and divine intervention, as Xuthus and Creusa struggle with infertility until they receive a child through the oracle of Delphi. This narrative emphasizes the importance of ancestry and the connection between mortals and gods in Greek culture.