A valkyrie, attested in the prose colophon of Helgakviða Hundingsbana II. It was said that the hero Helgi Hundingsbane, the son of Sigmundr and Borghildr, and his mistress Sigrún, a valkyrie, were born again; he became Helgi Haddingjaskati, and she Kára the daughter of Hálfdan. Sigrún herself was the valkyrie Sváva regenerated.
The story is told in Káruljóð, the "Songs of Kára," which is lost, but the main outline of the story is found in Hrómundar saga Gripssonar.
- Helgakviða Hundingsbana II.