Guinevere was first introduced when Gandalf, Aragorn, Legolas, and Gimli came to Rohan to free Theoden of Sauron's grip. Gifted with both foresight(visions) and eternal youth, she was one of the eldest and most loyal of Theoden's subjects. Previously Theoden's advisor she was removed from the position by Grima "Wormtongue" but remained a loyal subject, even as darkness enveloped Theoden. In addition to losing her position as Theoden's advisor, she became Eowyn's dresser and the private chef for Eowyn, Eomer and Theodred. Eomer was the only one whom knew her true age alongside Theoden, which was estimated to be over a thousand years as she was a guide for the first king of Rohan also. A great warrior, Guinevere was female, so she was unable to go out on the battlefield unless disguised, and