sentences:  Herrauðr and his queen Hleið had a daughter, Þóra Borgarhjǫrtr.When the vulture's egg hatched, there was a lindworm inside and it soon encircled Þóra Borgarhjǫrtr's bower.Herrauðr promised his daughter to the man who could slay the serpent and it was Ragnar Lodbrok who liberated her.