Þóra Magnúsdóttir (born c. 1100; Old Norse: [ˈθoːrɑ ˈmɑɣnuːsˌdoːtːez̠]; Modern Icelandic: [ˈθouːra ˈmaknusˌtouhtɪr̥]; Modern Norwegian: Tora Magnusdatter) was a daughter of King Magnus III of Norway (Magnus 3 Olavsson Berrføtt).
Her husband, Loftur Sæmundsson was a chieftain of Oddi at Rangárvellir in the south part of Iceland.
He was a member of the Oddaverjar clan and son of Icelandic priest and scholar Sæmundur fróði Sigfússon.
[2] [3] [4] Descendants of Loftur and Þóra included Þuríður Sturludóttir (born c. 1228), who married Hrafn Oddsson (born c. 1225), a descendant of Skallagrímur Kveldúlfsson (Skalla-Grímr), the father of skald Egill Skallagrímsson.
[5] With the birth of Jón korpur Hrafnsson, the feuding clans of the Fairhair and Skalla-Grímr dynasties were united.