Houses of the Volsungs and the Giukings (Niflings)
Below is the family of the three main families found in the Volsunga Saga - the Volungs, the Niflungs (or Nibelungs) and the House of Budli.
Please note that in the First Lay of Gudrun (Poetic Edda), Gudrun had a sister named Gullrond. But in the Prose Edda, Snorri Sturluson said that her sister was named Gudny, and Guttorm was only her half-brother; this made Guttorm the stepson of Giuki.
Also, there was no mention of Oddrun, the sister of Atli and Brynhild, in Snorri's Prose Edda.
In the family tree above, I have listed Niflung as being the son of Hogni and Kostbera, but in the Poetic Edda (the poem titled The Death of the Niflungs), Niflung was called Giuki instead.
In the poem from the Edda, Brynhild's Ride to Hell (Helreid Brynhildar), Brynhild had seven sisters, but they were unnamed.
By Jimmy Joe