sentences:  This account was constructed by the author of "Egils saga" using an earlier poem called "Arinbjarnarkviða" "Lay of Arinbjörn", and this poem does not mention Gunnhild by name, implying therefore that the name was introduced by the author of "Egils saga".Saga tradition is though unanimous that Eric did cohabit with a woman named Gunnhild.Her name occurs in a handful of Egill's "lausavísur".