Fenrir is attested in the Poetic Edda, compiled in the 13th century from earlier traditional sources, and the Prose Edda and Heimskringla, written in the 13th century by Snorri Sturluson.

Freyja is attested in the Poetic Edda, compiled in the 13th century from earlier traditional sources ; in the Prose Edda and Heimskringla, both written by Snorri Sturluson in the 13th century ; in several Sagas of Icelanders ; in the short story Sörla þáttr ; in the poetry of skalds ; and into the modern age in Scandinavian folklore, as well as the name for Friday in many Germanic languages.

Huginn and Muninn are attested in the Poetic Edda, compiled in the 13th century from earlier traditional sources ; the Prose Edda and Heimskringla, written in the 13th century by Snorri Sturluson ; in the Third Grammatical Treatise, compiled in the 13th century by Óláfr Þórðarson ; and in the poetry of skalds.

Heimdallr is attested in the Poetic Edda, compiled in the 13th century from earlier traditional material ; in the Prose Edda and Heimskringla, both written in the 13th century by Snorri Sturluson ; in the poetry of skalds ; and on an Old Norse runic inscription found in England.

In the Heimskringla book Ynglinga saga, written in the 13th century by Snorri Sturluson, Hel is referred to, though never by name.

Loki is attested in the Poetic Edda, compiled in the 13th century from earlier traditional sources ; the Prose Edda and Heimskringla, written in the 13th century by Snorri Sturluson ; the Norwegian Rune Poems, in the poetry of skalds, and in Scandinavian folklore.

* Sturluson, Snorri, Heimskringla: History of the Kings of Norway, tr.

Njörðr is attested in the Poetic Edda, compiled in the 13th century from earlier traditional sources, the Prose Edda, written in the 13th century by Snorri Sturluson, in euhemerized form as a beloved mythological early king of Sweden in Heimskringla, also written by Snorri Sturluson in the 13th century, as one of three gods invoked in the 14th century Hauksbók ring oath, and in numerous Scandinavian place names.

It is attested in the Poetic Edda, compiled in the 13th century from earlier traditional sources, and in the Prose Edda and Heimskringla, both written in the 13th century by Snorri Sturluson.

Valhalla is attested in the Poetic Edda, compiled in the 13th century from earlier traditional sources, the Prose Edda, written in the 13th century by Snorri Sturluson, Heimskringla, also written in the 13th century by Snorri Sturluson, and in stanzas of an anonymous 10th century poem commemorating the death of a Eric Bloodaxe known as Eiríksmál as compiled in Fagrskinna.

The Heimskringla by Snorri Sturluson reports Harthacnut buried at Winchester, alongside Cnut and Harold Harefoot.

The Heimskringla of Snorri Sturluson claims that Svein and Harthacnut had agreed to share the kingdom between them.

The Heimskringla by Snorri Sturluson reports Harold Harefoot buried at Winchester, again alongside Cnut and Harthacnut.

Scholars disagree about the various, too often contradictory, accounts of his life given in sources from his era of history, such as the Anglo-Saxon Chronicle, Adam of Bremen's Gesta Hammaburgensis Ecclesiae Pontificum, and the Heimskringla, a 13th-century work by Icelandic author Snorri Sturluson.

Norse sources of the high medieval period, most prominently Snorri Sturluson's Heimskringla, also give a Polish princess as Cnut's mother, whom they call Gunhild and a daughter of Burislav, the king of Vindland.

Several historic works, known as the kings ' sagas were written in Norway and Iceland in the 12th and 13th centuries, the best known of which is Snorri Sturluson's Heimskringla ( c. 1220 ).

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.

The full list of sons according to Snorri Sturluson's Heimskringla.

Snorri Sturluson, in his Heimskringla, claims that Torgils was Harald's son.

The Icelandic sources, in particular Snorri Sturluson's Heimskringla, state that Sigurd, like Olaf's father, was a great-grandson of King Harald Fairhair in the male line.

These include the late 12th-century Norwegian synoptics – Historia Norwegiæ ( perhaps c. 1170 ), Theodoricus monachus ' Historia de antiquitate regum Norwagiensium ( c. 1180 ) and Ágrip af Nóregskonungasögum ( c. 1190 ) – and the later Icelandic kings ' sagas Orkneyinga saga ( c. 1200 ), Fagrskinna ( c. 1225 ), the Heimskringla ascribed to Snorri Sturluson ( c. 1230 ), Egils saga ( 1220 x 1240 ) and Óláfs saga Tryggvasonar en mesta ( c. 1300 ).

Snorri Sturluson gives an extensive account of Olaf in Heimskringla, ( c. 1230 ), using Oddr Snorrason's saga as his main source.

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.

The Vanir are attested in the Poetic Edda, compiled in the 13th century from earlier traditional sources ; the Prose Edda and Heimskringla, both written in the 13th century by Snorri Sturluson ; and in the poetry of skalds.

Skaði is attested in the Poetic Edda, compiled in the 13th century from earlier traditional sources ; the Prose Edda and in Heimskringla, written in the 13th century by Snorri Sturluson, and in the works of skalds.

Valkyries are attested in the Poetic Edda, a book of poems compiled in the 13th century from earlier traditional sources ; the Prose Edda and Heimskringla ( by Snorri Sturluson ), and Njáls saga, a Saga of Icelanders, all written in the 13th century.

Vanaheimr is attested in the Poetic Edda ; compiled in the 13th century from earlier traditional sources, and the Prose Edda and ( in euhemerized form ) Heimskringla ; both written in the 13th century by Snorri Sturluson.

Mímir is attested in the Poetic Edda, compiled in the 13th century from earlier traditional sources, the Prose Edda, written in the 13th century by Snorri Sturluson of Iceland, and in euhemerized form as one of the Æsir in Heimskringla, also written by Snorri Sturluson in the 13th century.

Four hundred years later, the Heimskringla relates that Harald was converted with Earl Haakon, by Otto II.

Heimskringla relates that when Halfdan's father was killed, Åsa took the 1 year-old Halfdan and returned to Agder, where Halfdan was raised.

The Ynglinga saga, a part of the Heimskringla relates that the viceroy of Fjädrundaland was named Ingvar and he had two sons, Alf and Agnar, who were of the same age as Ingjald.

The Heimskringla relates that he was the son Högne of Nærøy, and that he had his home in Jutland ( however, according to the older source Historia Norwegiae, he was Geatish ).

The sagas Heimskringla and Orkneyinga saga relates that at some point in the early 1150s, king Eystein went on a campaign to Scotland and England.

In his Heimskringla, Snorri Sturluson relates how it first accepted the Swedish king Erik Emundsson as its ruler, only to be punished by the Norwegian king Harald Fairhair who spent a winter terrorizing the province from the sea.

Snorri Sturluson relates in his Heimskringla that it was ruled by the semi-legendary Swedish kings, Sigurd Ring and Ragnar Lodbrok during the 8th century.

Snorri Sturluson relates in Heimskringla that the area was also claimed by the Swedish King Erik Emundsson.

Heimskringla relates that Gandalf was given the kingdom by his father Alfgeir.

Heimskringla details that Odin gave Huginn and Muninn the ability to speak.

In Heimskringla, Skaði is described as having split up with Njörðr and as later having married the god Odin, and that the two produced many children together.

The Heimskringla book Ynglinga saga ( chapter 4 ) provides an Euhemerized account of the Æsir – Vanir War.

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.