Nibelungs

Ni'be·lungs noun plural ; sing. Nibelung . In German mythology, the children of the mist, a race of dwarfs or demonic beings, the original possessors of the famous hoard and ring won by Siegfrid; also, the Burgundian kings in the Nibelungenlied.
Found on http://www.encyclo.co.uk/webster/N/19

Nibelungs

• (n. pl.) In German mythology, the children of the mist, a race of dwarfs or demonic beings, the original possessors of the famous hoard and ring won by Siegfrid; also, the Burgundian kings in the Nibelungenlied.
Found on http://thinkexist.com/dictionary/meaning/nibelungs/

Nibelungs

Dwellers in northern kingdom ruled by Giuki.
Found on http://www.factmonster.com/ipka/A0197623.html
No exact match found