According to a legend recorded by Snorri Sturluson, in the Heimskringla, the late 9th-century Värmlandish chieftain Áki invited both the Norwegian king Harald Fairhair and the Swedish king Eric Eymundsson, but had the Norwegian king stay in the newly constructed and sumptuous one, because he was the youngest one of the kings and the one who had the greatest prospects.

According to Heimskringla and Egils saga, Eric spent much of his childhood in fosterage with the hersir Thórir son of Hróald.

According to Snorri Sturluson's Heimskringla, he was named Magnus ( Magnús in Old Norse ) by Sigvatr Þórðarson, his father's Icelandic skald, after Charlemagne, Carolus Magnus in Latin.

According to Heimskringla and Fagsrkinna, Halfdan was the son of the Yngling King Gudrød the Hunter.

According to Heimskringla, Halfdan's second wife was also named Ragnhild.

According to the Prose Edda, Kvasir was instrumental in the capture and binding of Loki, and an euhemerized account of the god appears in Heimskringla, where he is attested as the wisest among the Vanir.

According to the Heimskringla, "( When ) King Olaf Tryggvason came to Ringerike to spread Christianity, Sigurd Syr and his wife allowed themselves to be baptized ".

According to the Heimskringla, Magnus had his longship dragged across the isthmus north of Kintyre in 1093 as part of his campaign.

According to Snorri Sturluson, in his Heimskringla, King Magnus, son of King Harald Sigurtharson, who was the half brother of Saint King Olaf Haraldsson, died from ergotism shortly after the Battle of Hastings.

According to Heimskringla, the 11th Century Norse-Gael ruler Echmarcach mac Ragnaill plundered in Wales with his friend, the viking Guttorm Gunnhildsson.

According to Heimskringla, Sigvaldi sailed from Wendland with Olaf and a fleet of Wendish ships and led him into the ambush.

According to the Heimskringla and the Hervarar saga, Ivar was also the king of Norway, Denmark, Saxony and parts of England.

According to the sagas Morkinskinna and Heimskringla, Inge ’ s infirmity stemmed from having been carried into battle by one of his guardians during a battle in 1137: “... his back was knotted into a hump, and the one foot was shorter than the other ; and he was besides so infirm that he could scarcely walk as long as he lived .” s: Heimskringla / Saga of Sigurd, Inge, and Eystein, the Sons of Harald # Of Sigurd Slembidjakn.

According to the Heimskringla, a battle took place in Oddasund between the Swedish king Jorund and a Norwegian pirate from Hålogaland.

According to the Heimskringla, he had no sons, but the legends of Helgi Hundingsbane relate that he had the sons Hothbrodd, Gudmund and Starkad who were slain by Helgi.

According to Heimskringla, the local population of the area started worshipping Eystein as a saint.

According to Snorri Sturluson in the Heimskringla it was the location of Uppsala and the Thing of all Swedes, where every year there were great blóts which were attended by many kings.

According to Heimskringla one hundred Vikings were adorned “ in coats of ring-mail, and in foreign helmets ” at the Battle of Nesjar.

According to Snorri Sturluson's Prose Edda and Heimskringla, Ásaland corresponds to Asia and is the origin for the Æsir emperors that conquered regions and territories and finally settled down in Northern Europe and brought law and order.

According to the Norse Heimskringla and Orkneyinga sagas, Rögnvald had little regard for his youngest son Einarr because Einarr's mother was a slave.

According to Heimskringla, Eric, apparently reconciled with his father, commanded 60 ships in the battle and emerged victorious.

According to the Heimskringla, Tryggve performed Viking expeditions in Ireland and Scotland.

According to Heimskringla Sigurd Syr was a prudent man, taciturn and generally modest, although very wealthy.

According to Flateyjarbók Grímr Kamban settled in Faroe when Harald Hårfagre was king of Norway ( 872 – 930 ).

According to this many men did indeed flee from Harald Hårfagre.

According to Sagas, Iceland was settled by Norwegians fleeing the oppressive rule of Harald Fairhair ( late 9th century ).

According to Snorri Sturluson, before the battle a man bravely rode up to Harald Hardrada and Tostig and offered Tostig his earldom if he would but turn on Harald Hardrada.

According to the earliest source to the Faroe Islands, Færeyinga Saga, emigrants who left Norway to escape the tyranny of Harald I of Norway settled in the islands about the end of the 9th century.

According to skald Þjóðólfr Arnórsson, Harald had participated in 18 greater battles during his Byzantine service.

According to the sagas, Harald had previously been married to Bjadok.

According to the Orkneyinga Saga, in about 872 Harald Fairhair became King of a united Norway and many of his opponents fled to the islands of Scotland including the Hebrides of the west coast, and the Northern Isles.

According to the Fagrskinna collection of sagas, King Harald III of Norway uttered these lines of dróttkvætt at the Battle of Stamford Bridge ; the internal assonances and the alliteration are bolded:

According to Hversu Noregr byggðist and Njáls saga, he was the son of Halfdan the Valiant ( also given as his father in the Ynglinga saga and the Hervarar saga ), son of Harald the Old, son of Valdar, son of Roar ( Hroðgar ) of the house of Skjöldung ( Scylding ).

According to Gesta Danorum ( book 7 ), by Saxo Grammaticus, Hring was the son of the Swedish king Ingjald ( Ingild ) and the maternal nephew of the Danish king Harald Wartooth.

According to Hversu Noregr byggdist, Sigurd was the son of Randver, the brother of Harald Wartooth.

According to the Chronicon Lethrense, Harald Wartooth had made all the countries down to the Mediterranean pay tribute.

According to one tradition, it was due to Harald having lost two of his teeth in battle against Veseti, the lord of Scania, and instead two new teeth grew out.

According to Sögubrot, Njal's Saga and the Lay of Hyndla, Harald was the son of Hrœrekr Ringslinger ( slöngvanbaugi ), the king of Zealand.

According to the two sagas, he was the son of an Erik who fought Harald Fairhair and who succeeded the brothers Björn at Hauge and Anund Uppsale:

According to legend, Harald Wartooth realised that he was growing old ( 150 ) and may die of old age and so never go to Valhalla.

According to the sagas, he was the father of Halfdan the Black, and thus the grandfather of Harald Fairhair, the first king of unified Norway.

According to the Hervarar saga, he ruled only for a short time, and was married to Ingigerd, the daughter of Harald Hardrada.

According to the sagas, the region called Jämtland was originally settled by fugitives from Trøndelag after Harald Fairhair united Norway in the 9th century.