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According to Snorri Sturluson's Heimskringla, Magnus Barefoot, King of Norway, had his longship dragged across this isthmus as part of a campaign to increase his possessions in the Hebrides.
His mother, Þuríður, was a direct descendant of Þóra Magnúsdóttir daughter of Magnus III of Norway a direct descendant of Harald Fairhair (Haraldur hárfagri) founder of the Fairhair dynasty the first royal dynasty of the united Norway, and a branch of the Ynglings (also see Ynglinga saga).