Save Gender Masculine Usage Medieval Scandinavian, Norse Mythology, Folklore, Danish (Rare), Swedish (Rare) Other Forms FormsHagbarth, Hagbart Meaning & History Modern form of Hagbarðr or Hagabert. Hagbard (Hagbarðr) was a legendary Scandinavian sea-king mentioned in several Norse sagas. The tragic legend of him and his lover Signý in Scandinavian folklore remained popular until late 17th century.