 Although she is treated in the sagas as a historical person, even her historicity is a matter of some debate.What details of her life are known come largely from Icelandic sources, which generally asserted that the Icelandic settlers had fled from Harald's tyranny.While the historicity of sources as the "Landnámabók" is disputed, the perception that Harald had exiled or driven out many of their ancestors led to an attitude among Icelanders generally hostile to Erik and Gunnhild.