Farmhouse interior - picture of Gunnar and his wife Hallgerðr from the Njáls saga, the longest and most highly developed of the sagas of Icelanders. is a thirteenth-century Icelandic saga that describes events between 960 and 1020.The saga deals with a process of blood feuds in the Icelandic Commonwealth, showing how the requirements of honor could lead to minor slights spiralling into destructive and prolonged bloodshed.The principal characters in the saga are the friends Njáll Þorgeirsson,a lawyer and a sage, and Gunnar Hámundarson, a formidable warrior. Gunnar's wife, Hallgerðr langbrók, instigates a feud that leads to the death of many characters over several decades