Ivar Halfdansson or Ivarr Upplendingajarl ("Ivar the Oppland Earl") was a possibly mythical king of

Oppland Oppland is a former county in Norway which existed from 1781 until its dissolution on 1 January 2020. The old Oppland county bordered the counties of Trøndelag, Møre og Romsdal, Sogn og Fjordane, Buskerud, Akershus, Oslo and Hedmark. The c ...

, a petty kingdom in Norway. If he existed, Ivar probably lived during the late 8th century. Traditional sources state that he was father of Eystein Glumra and, according to the '' Orkneyinga Saga'', an ancestor of both the

Earls of Orkney Earl of Orkney, historically Jarl of Orkney, is a title of nobility encompassing the archipelagoes of Orkney and Shetland, which comprise the Northern Isles of Scotland. Originally founded by Norse invaders, the status of the rulers of the N ...

and

Rollo of Normandy Rollo ( nrf, Rou, ''Rolloun''; non, Hrólfr; french: Rollon; died between 928 and 933) was a Viking who became the first ruler of Normandy, today a region in northern France. He emerged as the outstanding warrior among the Norsemen who had se ...

References

Norwegian petty kings History of Oppland 8th-century monarchs in Europe {{Norway-bio-stub