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Fenrisulfr



 
 
In Norse mythology
Norse mythology

Norse, Viking or Scandinavian mythology comprises the beliefs, myths and legends of the Norse paganism of the North Germanic language people, including those who settled on Faroe Islands and Iceland, where most of the written sources for Norse mythology were assembled....
, Fenrir (Old Norse
Old Norse

Old Norse is a North Germanic languages that was spoken by inhabitants of Scandinavia and inhabitants of their overseas settlements during the Viking Age, until about 1300....
 "fen
Fen

A fen is a type of wetland fed by surface and/or groundwater. Fens are characterized by their water chemistry, which is pH or alkaline. Fens are different from bogs, which are acidic, fed primarily by rainwater and often dominated by Sphagnum mosses....
-dweller"), Fenrisúlfr (Old Norse "Fenris wolf"), or Hróđvitnir (Old Norse "fame-wolf") is a monstrous wolf. Fenrir is attested in the Poetic Edda
Poetic Edda

The Poetic Edda is a collection of Old Norse poems primarily preserved in the Icelandic mediaeval manuscript Codex Regius. Along with Snorri Sturluson's Prose Edda, the Poetic Edda is the most important extant source on Norse mythology and Germanic heroic legends....
, compiled in the 13th century from earlier traditional sources, and the Prose Edda
Prose Edda

The Prose Edda, also known as the Younger Edda, Snorri's Edda or simply Edda, is an Old Norse language Icelandic collection of four sections interspersed with excerpts from earlier skaldic and Eddic poetry containing tales from Norse mythology....
 and Heimskringla
Heimskringla

Heimskringla is the best known of the Old Norse kings' sagas. It was written in Old Norse in Iceland by the poet and historian Snorri Sturluson ca....
, written in the 13th century by Snorri Sturluson
Snorri Sturluson

Snorri Sturluson was an Icelandic historian, poet and politician. He was two-time elected lawspeaker at the Icelandic parliament, the Althing....
. In both the Poetic Edda and Prose Edda, Fenrir is the father of the wolves Sköll and Hati Hróđvitnisson, and is foretold to kill the god Odin
Odin

Odin , is considered the chief ?sir in Norse paganism. Homologous with the Anglo-Saxons Woden and the Old High German Wotan, it is descended from Proto-Germanic *Wodanaz or *Wodanaz....
 during the events of Ragnarök
Ragnarök

In Norse mythology, Ragnar?k is a series of major events, including a great battle foretold to ultimately result in the death of a number of major figures , the occurrence of various natural disasters, and the subsequent submersion of the world in water....
, but will in turn be killed by Odin's son Víđarr.

In the Prose Edda, additional information is given about Fenrir, including that, due to the gods' knowledge of prophecies foretelling great trouble from Fenrir and his rapid growth, the gods bound him, and as a result Fenrir bit off the right hand of the god Týr
Tyr

File:T?r by Fr?lich.jpgT?r is the god of single combat, victory and heroic glory in Norse mythology, portrayed as a one-handed man. In the late Icelandic Eddas, he is portrayed, alternately, as the son of Odin or of Hymir , while the origins of his name and his possible relationship to Tuisto suggest he was once considered the father of...
.






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In Norse mythology
Norse mythology

Norse, Viking or Scandinavian mythology comprises the beliefs, myths and legends of the Norse paganism of the North Germanic language people, including those who settled on Faroe Islands and Iceland, where most of the written sources for Norse mythology were assembled....
, Fenrir (Old Norse
Old Norse

Old Norse is a North Germanic languages that was spoken by inhabitants of Scandinavia and inhabitants of their overseas settlements during the Viking Age, until about 1300....
 "fen
Fen

A fen is a type of wetland fed by surface and/or groundwater. Fens are characterized by their water chemistry, which is pH or alkaline. Fens are different from bogs, which are acidic, fed primarily by rainwater and often dominated by Sphagnum mosses....
-dweller"), Fenrisúlfr (Old Norse "Fenris wolf"), or Hróđvitnir (Old Norse "fame-wolf") is a monstrous wolf. Fenrir is attested in the Poetic Edda
Poetic Edda

The Poetic Edda is a collection of Old Norse poems primarily preserved in the Icelandic mediaeval manuscript Codex Regius. Along with Snorri Sturluson's Prose Edda, the Poetic Edda is the most important extant source on Norse mythology and Germanic heroic legends....
, compiled in the 13th century from earlier traditional sources, and the Prose Edda
Prose Edda

The Prose Edda, also known as the Younger Edda, Snorri's Edda or simply Edda, is an Old Norse language Icelandic collection of four sections interspersed with excerpts from earlier skaldic and Eddic poetry containing tales from Norse mythology....
 and Heimskringla
Heimskringla

Heimskringla is the best known of the Old Norse kings' sagas. It was written in Old Norse in Iceland by the poet and historian Snorri Sturluson ca....
, written in the 13th century by Snorri Sturluson
Snorri Sturluson

Snorri Sturluson was an Icelandic historian, poet and politician. He was two-time elected lawspeaker at the Icelandic parliament, the Althing....
. In both the Poetic Edda and Prose Edda, Fenrir is the father of the wolves Sköll and Hati Hróđvitnisson, and is foretold to kill the god Odin
Odin

Odin , is considered the chief ?sir in Norse paganism. Homologous with the Anglo-Saxons Woden and the Old High German Wotan, it is descended from Proto-Germanic *Wodanaz or *Wodanaz....
 during the events of Ragnarök
Ragnarök

In Norse mythology, Ragnar?k is a series of major events, including a great battle foretold to ultimately result in the death of a number of major figures , the occurrence of various natural disasters, and the subsequent submersion of the world in water....
, but will in turn be killed by Odin's son Víđarr.

In the Prose Edda, additional information is given about Fenrir, including that, due to the gods' knowledge of prophecies foretelling great trouble from Fenrir and his rapid growth, the gods bound him, and as a result Fenrir bit off the right hand of the god Týr
Tyr

File:T?r by Fr?lich.jpgT?r is the god of single combat, victory and heroic glory in Norse mythology, portrayed as a one-handed man. In the late Icelandic Eddas, he is portrayed, alternately, as the son of Odin or of Hymir , while the origins of his name and his possible relationship to Tuisto suggest he was once considered the father of...
. Depictions of Fenrir have been identified on various objects, and scholarly theories have been proposed regarding Fenrir's relation to other canine beings in Norse mythology. Fenrir has been the subject of artistic depictions, and appears in literature.

Attestations


Poetic Edda

Fenrir is mentioned in three stanzas of the poem Völuspá
Völuspá

V?lusp? is the first and best known poem of the Poetic Edda. It tells the story of the creation of the world and its coming end related by a v?lva addressing Odin....
, and in two stanzas of the poem Vafţrúđnismál
Vafţrúđnismál

File:Odin and Vaf?r??nir by Fr?lich .jpgIn Norse mythology, Vaf?r??nism?l is the third poem in the Poetic Edda. It is a conversation in verse form conducted initially between the ?sir Odin and Frigg, and subsequently between Odin and the giant Vaf?r??nir....
. In stanza 40 of the poem Völuspá, a völva
Völva

A V?lva was a priestess in Norse paganism, and a recurring motif in Norse mythology....
 divulges to Odin
Odin

Odin , is considered the chief ?sir in Norse paganism. Homologous with the Anglo-Saxons Woden and the Old High German Wotan, it is descended from Proto-Germanic *Wodanaz or *Wodanaz....
 that, in the east, an old woman sat in the forest Járnviđr
Járnviđr

In Norse mythology, J?rnvi?r is a forest inhabited by troll women who bore J?tunn and giant wolves. J?rnvi?r is attested in the Poetic Edda, compiled in the 13th century from earlier traditional sources, and the Prose Edda, written in the 13th century by Snorri Sturluson....
, "and bred there the broods of Fenrir. There will come from them all one of that number to be a moon-snatcher in troll
Troll

A troll is a fearsome member of a race of creatures from Norse mythology. Originally more or less the Nordic equivalents of giant , although often smaller in size, the different depictions have come to range from the fiendish giants ? similar to the ogres of England ? to a devious, more human-like folk of the wilderness, living underground...
's skin". Further into the poem, the völva foretells that Odin will be consumed by Fenrir at Ragnarök:
Then is fulfilled Hlín
Hlín

File:Frigg by Doepler.jpgIn Norse mythology, Hl?n is a ?ss associated with the goddess Frigg. Hl?n appears in a poem in the Poetic Edda, compiled in the 13th century from earlier traditional sources, the Prose Edda, written in the 13th century by Snorri Sturluson, and in kennings found in skaldic poetry....
's
second sorrow,
when Óđinn goes
to fight with the wolf,
and Beli's slayer
Freyr

Freyr is one of the most important gods of Norse paganism. Freyr was highly associated with agriculture, weather and, as a phallus fertility god, Freyr "bestows peace and pleasure on mortals"....
,
bright, against Surtr
Surtr

In Norse mythology, Surtr is a j?tunn. Surtr is attested in the Poetic Edda, compiled in the 13th century from earlier traditional sources, and the Prose Edda, written in the 13th century by Snorri Sturluson....
.
Then shall Frigg
Frigg

Frigg is a major goddess in Norse paganism, a subset of Germanic paganism. She is said to be the wife of Odin, and is the "foremost among the goddesses"....
's
sweet friend fall.
In the stanza that follows, the völva describes that Odin's "tall child of Triumph's Sire" (Odin's son Víđarr) will then come to "strike at the beast of slaughter", and with his hands, he will drive a sword into the heart of "Hveđrungr
Loki

File:Loke og Sigyn by Eckersberg.jpgIn Norse mythology, Loki is a ?ss or j?tunn . Loki's relation with the gods varies by source. Loki assists the gods, and sometimes causes problems for them....
's son", avenging the death of his father.

In the first of two stanzas mentioning Fenrir in Vafţrúđnismál, Odin poses a question to the wise jötunn Vafţrúđnir
Vafţrúđnir

File:Odin and Vaf?r??nir by Fr?lich .jpgVaf?r??nir is a wise j?tunn in Norse mythology. In the Poetic Edda poem Vaf?r??nism?l, Vaf?r??nir acts as both Odin's host and opponent in a deadly battle of wits, resulting in his defeat....
:
"Much I have travelled, much have I tried out,
much have I tested the Powers;
from where will a sun come into the smooth heaven
when Fenrir has assailed this one?"
In the stanza that follows, Vafţrúđnir responds that Sól (here referred to as Álfröđull), will bear a daughter before Fenrir attacks her, and that this daughter shall continue the paths of her deceased mother through the heavens.

Prose Edda

John Bauer Tyr and Fenrir
Gylfaginning chapters 13 and 25
In chapter 13 of the Prose Edda book Gylfaginning, Fenrir is first mentioned in a stanza quoted from Völuspá. Fenrir is first mentioned in prose in chapter 25, where the enthroned figure of High
High, Just-As-High, and Third

High, Just-As-High, and Third are Numbers in Germanic paganism men that respond to questions posed by Gangleri in the Prose Edda book Gylfaginning....
 tells Gangleri
Gangleri

Gangleri may refer to a number of things:* one of Odin many List of names of Odin meaning "the wanderer" or "Wayweary"* the name of the ancient Sweden monarch Gylfi given while in disguise, as described in the book Gylfaginning collected in the Prose Edda...
 (described as King Gylfi
Gylfi

Gylfi, Gylfe, Gylvi, or Gylve was the earliest king in Scandinavia present in Norse mythology. The traditions on Gylfi deal with how he was tricked by the gods....
 in disguise) about the god Týr. High says that one example of Týr's bravery is that when the Ćsir
Ćsir

In Old Norse, ?ss is the term denoting a member of the principal groups of gods of the List of Norse gods of Norse paganism. They include many of the major figures, such as Odin, Frigg, Thor, Baldr and Tyr....
 were luring Fenrir (referred to here as Fenrisúlfr) to place the fetter Gleipnir
Gleipnir

In Norse mythology, Gleipnir is the binding that holds the mighty wolf Fenrir . Even though it is as thin as a silken ribbon, it is stronger than any iron cable....
 on the wolf. Fenrir did not trust that they would let him go until the Ćsir placed Týr's hand into Fenrir's mouth as a pledge. As a result, when the Ćsir refused to release him, he bit off Týr's hand at a location "now called the wolf-joint" (the wrist
Wrist

In human anatomy, the wrist is the flexible and narrower connection between the forearm and the hand. The wrist is essentially a double row of small short bones, called carpals, intertwined to form a malleable hinge....
), causing Týr to be one-handed and "not considered to be a promoter of settlements between people".

Gylfaginning chapter 34
In chapter 34, High describes Loki, and says that Loki had three children with a female jötunn named Angrbođa
Angrboda

In Norse mythology, Angrbo?a is a female j?tunn. In the Poetic Edda, Angrbo?a is mentioned only in V?lusp? hin skamma as the mother of Fenrir by Loki....
 located in the land of Jötunheimr
Jötunheimr

J?tunheimr is the world of the j?tnar in Norse Mythology. From there they menace the humans in Midgard and the gods in Asgard .Gastropnir, home of Menglad, and ?rymheimr, home of ?jazi, were both located in Jotunheim, which was ruled by King Thrym....
; Fenrisúlfr, the serpent Jörmungandr
Jörmungandr

J?rmungandr , mostly known as Jormundgand, Midg?rdsormen, or World Serpent, is; in Norse mythology, a sea serpent, and the middle child of the J?tunn Angrbo?a and the god Loki....
, and the female being Hel
Hel (being)

In Norse mythology, Hel is a being that presides over a realm of the Hel , where she receives a portion of the dead. Hel is attested in the Poetic Edda, compiled in the 13th century from earlier traditional sources, and the Prose Edda, written in the 13th century by Snorri Sturluson....
. High continues that, once the gods found that these three children were being brought up in the land of Jötunheimr
Jötunheimr

J?tunheimr is the world of the j?tnar in Norse Mythology. From there they menace the humans in Midgard and the gods in Asgard .Gastropnir, home of Menglad, and ?rymheimr, home of ?jazi, were both located in Jotunheim, which was ruled by King Thrym....
, and when the gods "traced prophecies that from these siblings great mischief and disaster would arise for them" the gods expected a lot of trouble from the three children, partially due to the nature of the mother of the children, yet worse so due to the nature of their father.

High says that Odin sent the gods to gather the children and bring them to him. Upon their arrival, Odin threw Jörmungandr into "that deep sea that lies round all lands", and then threw Hel into Niflheim
Niflheim

Niflheimr or Niflheim ; Nifl being cognate with the Old English Nifol and Nebel, a German and Latin root meaning cloud) is a location in Norse mythology which overlaps with the notions of Niflhel and hel ....
, and bestowed upon her authority over nine worlds
Norse cosmology

In the cosmology of Norse mythology, there are Numbers in Germanic paganism worlds, unified by the the world tree Yggdrasil. The Norse creation myth tells how everything came into existence and how the world of men was created by the gods....
. However, the Ćsir brought up the wolf "at home", and only Týr had the courage to approach Fenrir, and give Fenrir food. The gods noticed that Fenrir was growing rapidly every day, and since all prophecies foretold that Fenrir was destined to cause them harm, the gods formed a plan. The gods prepared three fetters: The first, greatly strong, was called Leyding. They brought Leyding to Fenrir and suggested that the wolf try his strength with it. Fenrir judged that it was not beyond his strength, and so let the gods do what they wanted with it. At Fenrir's first kick the bind snapped, and Fenrir loosened himself from Leyding. The gods made a second fetter, twice as strong, and named it Dromi. The gods asked Fenrir to try the new fetter, and that should he break this feat of engineering, Fenrir would achieve great fame for his strength. Fenrir considered that the fetter was very strong, yet also that his strength had grown since he broke Leyding, yet that he would have to take some risks if he were to become famous. Fenrir allowed them to place the fetter.

When the Ćsir exclaimed that they were ready, Fenrir shook himself, knocked the fetter to ground, strained hard, and kicking with his feet, snapped the fetter – breaking it into pieces that flew far into the distance. High says that, as a result, to "loose from Leyding" or to "strike out of Dromi" have become sayings for when something is achieved with great effort. The Ćsir started to fear that they would not be able to bind Fenrir, and so Odin sent Freyr
Freyr

Freyr is one of the most important gods of Norse paganism. Freyr was highly associated with agriculture, weather and, as a phallus fertility god, Freyr "bestows peace and pleasure on mortals"....
's messenger Skírnir
Skirnir

In Norse mythology, Sk?rnir is the god Freyr's messenger and vassal. In the Poetic Edda poem Sk?rnism?l, Sk?rnir is sent as a messenger to J?tunheimr to conduct Freyr's wooing of the fair Ger?r on condition of being given Freyr's sword as a reward....
 down into the land of Svartálfaheimr to "some dwarves
Norse dwarves

Dvergar or Norse dwarves are highly significant entities in Norse mythology, who associate with stones, the underground, deathliness, luck, magic, and technology, especially forging....
" and had them make a fetter called Gleipnir
Gleipnir

In Norse mythology, Gleipnir is the binding that holds the mighty wolf Fenrir . Even though it is as thin as a silken ribbon, it is stronger than any iron cable....
. The dwarves constructed Gleipnir from six mythical ingredients. After an exchange between Gangleri and High, High continues that the fetter was smooth and soft as a silken ribbon, yet strong and firm. The messenger brought the ribbon to the Ćsir, and they thanked him heartily for completing the task.

The Ćsir went out on to the lake Amsvartnir (Old Norse "pitch black"), sent for Fenrir to accompany them, and continued to the island Lyngvi (Old Norse "a place overgrown with heather"). The gods showed Fenrir the silken fetter Gleipnir, told him to tear it, stated that it was much stronger than it appeared, passed it among themselves, used their hands to pull it, and yet it did not tear. However, they said that Fenrir would be able to tear it, to which Fenrir replied:
"It looks to me that with this ribbon as though I will gain no fame from it if I do tear apart such a slender band, but if it is made with art and trickery, then even if it does look thin, this band is not going on my legs."
The Ćsir said Fenrir would quickly tear apart a thin silken strip, noting that Fenrir earlier broke great iron binds, and added that if Fenrir wasn't able to break slender Gleipnir then Fenrir is nothing for the gods to fear, and as a result would be freed. Fenrir responded:
"If you bind me so that I am unable to release myself, then you will be standing by in such a way that I should have to wait a long time before I got any help from you. I am reluctant to have this band put on me. But rather than that you question my courage, let someone put his hand in my mouth as a pledge that this is done in good faith."
With this statement, all of the Ćsir look to one another, finding themselves in a dilemma. Everyone refused to place their hand in Fenrir's mouth until Týr put out his right hand and placed it into the wolf's jaws. When Fenrir kicked, Gleipnir caught tightly, and the more Fernrir struggled, the stronger the band grew. At this, everyone laughed, except Týr, who there lost his right hand. When the gods knew that Fenrir was fully bound, they took a cord called Gelgja (Old Norse "fetter") hanging from Gleipnir, inserted the cord through a large stone slab called Gjöll
Gjöll

In Norse mythology, Gj?ll is one of the eleven rivers traditionally associated with the ?liv?gar, according to Gylfaginning, originating from the wellspring Hvergelmir in Niflheim, flowing through Ginnungagap, and thence into the worlds of existence....
 (Old Norse "scream"), and the gods fastened the stone slab deep into the ground. After, the gods took a great rock called Thviti (Old Norse "hitter, batterer"), and thrust it even further into the ground as an anchoring peg. Fenrir reacted violently; he opened his jaws very widely, and tried to bite the gods. The gods thrust "a certain sword" into Fenrir's mouth, the hilt of the sword on Fenrir's lower gums and the point his upper gums. Fenrir "howled horribly", saliva ran from his mouth, and this saliva formed the river Ván (Old Norse "hope"). There Fenrir will lie until Ragnarök. Gangleri comments that Loki created a "pretty terrible family" though important, and asks why the Ćsir did not just kill Fenrir there since they expected great malice from him. High replies that "so greatly did the gods respect their holy places and places of sanctuary that they did not want to defile them with the wolf's blood even though the prophecies say that he will be the death of Odin."

Gylfaginning chapters 38 and 51
In chapter 38, High says that there are many men
Einherjar

In Norse mythology, the einherjar are those that have died in battle and are brought to Valhalla by valkyries. In Valhalla, the einherjar eat their fill of the nightly-resurrecting beast S?hr?mnir, and are brought their fill of mead by valkyries....
 in Valhalla
Valhalla

In Norse mythology, Valhalla is a majestic, enormous hall located in Asgard, ruled over by the god Odin. Chosen by Odin, half of those that die in combat travel to Valhalla upon death, led by valkyries, while the other half go to the goddess Freyja's field F?lkvangr....
, and many more who will arrive, yet they will "seem too few when the wolf comes". In chapter 51, High foretells that as part of the events of Ragnarök, after Fenrir's son Sköll has swallowed the sun and his other son Hati Hróđvitnisson has swallowed the moon
Mani

Mani is a name or word occuring in several ethymologically-unrelated languagues and cultures, including:* Mani , a third-century founder of Manichaeism....
, the stars will disappear from the sky. The earth will shake violently, trees will be uprooted, mountains will fall, and all binds will snap – Fenrisúlfr will be free. Fenrisúlfr will go forth with his mouth opened wide, his upper jaw touching the sky and his lower jaw the earth, and flames will burn from his eyes and nostrils. Later, Fenrisúlfr will arrive at the field Vígríđr with his brother Jörmungandr. With the forces assembled there, an immense battle will take place. During this, Odin will ride to fight Fenrisúlfr. During the battle, Fenrisúlfr will eventually swallow Odin, killing him, and Odin's son Víđarr will move forward and kick one foot into the lower jaw of the wolf. This foot will bear a legendary shoe "for which the material has been collected throughout all time". With one hand, Víđarr will take hold of the wolf's upper jaw and tear apart his mouth, killing Fenrisúlfr. High follows this prose description by citing various quotes from Völuspá in support, some of which mention Fenrir.
Skáldskaparmál and Háttatal
In the Epilogue section of the Prose Edda book Skáldskaparmál
Skáldskaparmál

The second part of Snorri Sturluson's Prose Edda the Sk?ldskaparm?l or "language of poetry" is effectively a dialogue between the Norse god of the sea, ?gir and Bragi, the god of poetry, in which both Norse mythology and discourse on the nature of poetry are intertwined....
, a euhemerized
Euhemerus

Euhemerus was a Greek Mythography at the court of Cassander, the king of Macedon. Euhemerus' birthplace is disputed, with Messina in Sicily or Messene in the Peloponnese as the most probable locations, while others champion Chios, or Tegea....
 monologue equates Fenrisúlfr to Pyrrhus
Pyrrhus

Pyrrhus or Pyrrhos or Pyrros may refer to the following figures from Greek history and mythology:* Pyrrhus or Neoptolemus, son of Achilles...
, attempting to rationalize that "it killed Odin, and Pyrrhus could be said to be a wolf according to their religion, for he paid no respect to places of sanctuary when he killed the king in the temple in front of Thor's altar". In chapter 2, "wolf's enemy" is cited as a kenning
Kenning

A kenning is a circumlocution used instead of an ordinary noun in Old Norse and later Icelandic language poetry. For example, Old Norse poetry might replace sver?, the regular word for ?sword?, with a compound such as ben-grefill ?wound-hoe? , or a genitive phrase such as randa ?ss ?ice of shields? ....
 for Odin as used by the 10th century skald
Skald

The skald was a member of a group of poets, whose courtly poetry is associated with the courts of Scandinavian and Icelandic leaders during the Viking age, who composed and performed renditions of aspects of what we now characterise as Old Norse poetry ....
 Egill Skallagrímsson
Egill Skallagrímsson

Egill Skallagr?msson was a Viking skald and the great anti-hero of Icelandic literature.Several accounts tell of him slaughtering as many as 20 or more armed men single-handedly and even dispatching a feared berserker with relative ease....
. In chapter 9, "feeder of the wolf" is given as a kenning for Týr and, in chapter 11, "slayer of Fenrisúlfr" is presented as a kenning for Víđarr. In chapter 50, a section of Ragnarsdrápa
Ragnarsdrápa

Ragnarsdr?pa is a skaldic poetry composed in honour of the Scandinavian hero Ragnar Lodbrok. It is attributed to the oldest known skald Bragi Boddason who lived in the 9th century, and composed for the Swedish king Bj?rn at Haugi....
 by the 9th century skald Bragi Boddason
Bragi Boddason

In his Edda Snorri Sturluson quotes many stanzas attributed to Bragi Boddason the old , a court poet who served several Swedish kings, Ragnar Lodbrok, ?sten Beli and Bj?rn at Hauge who reigned in the first half of the 9th century in poetry....
 is quoted that refers to Hel
Hel (being)

In Norse mythology, Hel is a being that presides over a realm of the Hel , where she receives a portion of the dead. Hel is attested in the Poetic Edda, compiled in the 13th century from earlier traditional sources, and the Prose Edda, written in the 13th century by Snorri Sturluson....
, the being, as "the monstrous wolf's sister". In chapter 75, names for warg
Warg

In Old Norse language, wikt:vargr is a term for "wolf" . In Norse mythology, wargs are in particular the wolf Fenrisulfr and his sons Skoll and Hati....
s and wolves are list, including both "Hróđvitnir" and "Fenrir". "Fenrir" appears twice in verse as a common noun for a "wolf" or "warg" in chapter 58 of Skáldskaparmál, and in chapter 56 of the book Háttatal
Háttatal

The H?ttatal is the last section of the Prose Edda composed by the Icelandic poet, politician, and historian Snorri Sturluson. Using, for the most part, his own compositions, it exemplifies the types of verse forms used in Old Norse poetry....
. Additionally, the name "Fenrir" can be found among a list of jötnar in chapter 75 of Skáldskaparmál.

Heimskringla