 Gunnhild remained resilient to maintain power for the rest of her life, acting as Queen Regent to her son Harald, and continuing to be a major deciding factor and source for political advice.Gunnhild was a villain in Robert Leighton's 1934 novel "Olaf the Glorious", a fictionalized biography of Olaf Tryggvason.She is the central character of the novel "Mother of Kings" by Poul Anderson, (which makes her a granddaughter of Rognvald Eysteinsson, accepts the version of her living with the Finnish warlocks and emphasizes her being a witch) and also appears in Cecelia Holland's "The Soul Thief".