Career
He was one of the most popular chieftains and politician of his age in the country. After Jón died the family at Oddi was still the most powerful family in Iceland but their power soon began to go downhill after his death. At a young age the great scholar Snorri Sturluson was adopted by Jón Loftsson.
The poem Nóregs konungatal was composed in Jón"s honour, tracing his ancestry to the Norwegian royal line.