Niflungs

The Niflungs ("Sons of the Mist") were a mythical race, offsprings of Nefir. Gjuki and his children were of the Niflung's house.

The Niflungs Song (Das Niebellungenlied) tells the story of Siegfried (Sigurd) and Kriemhilde (Gudrun).

Prose Edda: Skáldskparmál LXXX