Final answer:
In Norse mythology, as detailed in the Prose Edda, Frigg is the wife of Odin, serving as a goddess of love, marriage, and destiny.
Step-by-step explanation:
In the Prose Edda, a classic piece of Norse literature, the wife of Odin is Frigg. Frigg is known in Norse mythology as the goddess of love, marriage, and destiny. She is often depicted as the highest-ranking Aesir goddess, and she has the power of prophecy, although she does not reveal what she knows. The relationship between Odin and Frigg is portrayed as deep and complex, with Frigg described as Odin's confidante and support.