 Gissur Þorvaldsson

Gissur Thorvaldsson (1208 – 12 January 1268) () was a medieval Icelandic chieftain or "goði" of the Haukdælir family clan, and great-grandson of Jón Loftsson.Gissur played a major role in the period of civil war which is now known as Age of the Sturlungs