How long did Queen Guinevere live?

Queen Guinevere is a legendary figure from Arthurian mythology, and her lifespan is not definitively documented, as she is a character in stories rather than a historical figure. According to various legends, she is often depicted as a young woman during King Arthur's reign, but details about her age and lifespan are inconsistent across different tales. In many versions of the stories, she ultimately meets a tragic fate, which contributes to her enduring legacy in literature.