In Norse mythology

Norse mythology

Norse mythology, a subset of Germanic mythology, is the overall term for the myths, legends and beliefs about supernatural beings of Norse pagans. It flourished prior to the Christianization of Scandinavia, during the Early Middle Ages, and passed into Nordic folklore, with some aspects surviving...

, Sumarr (Old Norse

Old Norse

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

 "Summer") and Vetr (Old Norse "Winter") are personified season

Season

A season is a division of the year, marked by changes in weather, ecology, and hours of daylight.Seasons result from the yearly revolution of the Earth around the Sun and the tilt of the Earth's axis relative to the plane of revolution...

s. Sumarr and Vetr, personified, are 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, and from the early 19th century...

, 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 Icelandic collection of four sections interspersed with excerpts from earlier skaldic and Eddic poetry containing tales from Nordic mythology...

, written in the 13th century by Snorri Sturluson

Snorri Sturluson

Snorri Sturluson was an Icelandic historian, poet, and politician. He was twice elected lawspeaker at the Icelandic parliament, the Althing...

. In both, the two are given genealogies, while in the Prose Edda the two figure into a number of kenning

Kenning

A kenning is a type of literary trope, specifically circumlocution, in the form of a compound that employs figurative language in place of a more concrete single-word noun. Kennings are strongly associated with Old Norse and later Icelandic and Anglo-Saxon poetry...

s used by various 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 .The most prevalent metre of skaldic poetry is...

s.

Poetic Edda

In the stanza 26 of the Poetic Edda poem Vafþrúðnismál

Vafþrúðnismál

In Norse mythology, Vafþrúðnismál is the third poem in the Poetic Edda. It is a conversation in verse form conducted initially between the Æsir Odin and Frigg, and subsequently between Odin and the giant Vafþrúðnir...

, the god Odin

Odin

Odin is a major god in Norse mythology and the ruler of Asgard. Homologous with the Anglo-Saxon "Wōden" and the Old High German "Wotan", the name is descended from Proto-Germanic "*Wodanaz" or "*Wōđanaz"....

 (disguised as "Gagnráðr") asks the jötunn Vafþrúðnir

Vafþrúðnir

Vafþrúðnir is a wise jötunn in Norse mythology. In the Poetic Edda poem Vafþrúðnismál, Vafþrúðnir acts as both Odin's host and opponent in a deadly battle of wits, resulting in Vafþrúðnir's defeat....

  from where warm Sumarr and Vetr come from, stating that they arrived "first among the Wise powers". In stanza 27, Vafþrúðnir responds:

Wind-cool [Vindsvalr] he is called, Winter's [Vetr's] father,

and Mild-One [Svásuðr], the father of Summer [Sumarr].

The second half of this stanza is missing from early manuscripts, but some later manuscripts feature the addition of:

And both of these shall ever be

Till the gods to destruction go.

Prose Edda

In chapter 19 of the Prose Edda book Gylfaginning

Gylfaginning

Gylfaginning, or the Tricking of Gylfi , is the first part of Snorri Sturluson's Prose Edda after Prologue. The Gylfaginning deals with the creation and destruction of the world of the Norse gods, and many other aspects of Norse mythology...

, Gangleri

Gangleri

Gangleri may refer to:* one of Odin's many nicknames meaning "the wanderer" or "Wayweary"* the name of the ancient Swedish king Gylfi, given while in disguise, as described in the book Gylfaginning collected in the Prose Edda...

 (king Gylfi

Gylfi

In Norse mythology, Gylfi, Gylfe, Gylvi, or Gylve was the earliest king in Scandinavia recorded. The traditions on Gylfi deal with how he was tricked by the gods and his relations with the goddess Gefjon.-The creation of Zealand:...

 in disguise) asks why there's an evident difference between summer and winter. The enthroned figure of High responds, and (after scolding him for asking a question everyone knows the answer to) states that the father of Sumarr is Svásuðr, who is quite pleasant, while the father of Vetr is referred to as Vindsvalr or, alternately, Vindljóni, and that Vetr derives his countenance from his ancestors, as they are "cruel and cold-hearted kinsmen".

Sumarr and Vetr are additionally personified in the Prose Edda book Skáldskaparmál

Skáldskaparmál

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

, where they are referred to in kenning

Kenning

A kenning is a type of literary trope, specifically circumlocution, in the form of a compound that employs figurative language in place of a more concrete single-word noun. Kennings are strongly associated with Old Norse and later Icelandic and Anglo-Saxon poetry...

s. Kennings for Sumarr are given in chapter 30, including "son of Svásuðr", "comfort of the snakes", "growth of men", exemplified in an excerpt given from a work by the 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 .The most prevalent metre of skaldic poetry is...

 Egill Skallagrímsson

Egill Skallagrímsson

Egill Skallagrímsson was a Viking Age warrior and skald. Egill is one of the great anti-heroes of the Icelandic sagas.-Life:...

 where "Valley-fish's mercy" points to "Snake's mercy", which signifies "Summer". Kennings are given for Vetr in chapter 26; "Son of Vindsvalr", "snake's death", and "storm season". Excerpts of works by the skalds Ormr Steinþórsson

Ormr Steinþórsson

Ormr Steinþórsson was a skald about whom little is known. Seven fragments of poetry by him are quoted in the Skáldskaparmál section of Snorri Sturluson's Prose Edda. One of those fragments is also quoted in the Third Grammatical Treatise by Óláfr Þórðarson while an additional fragment is quoted in...

(who uses the kenning "Vindsvalr's son") and Ásgrímr (who employs the kenning "snake woe") are then given as examples. Both Sumarr and Vetr are given as terms for "times" in chapter 63.