Sif

• 1. Introduction

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  In the 13th-century Prose Edda, Snorri Sturluson described Sif as 'the loveliest of women.' She is the wife of Thor, the thunder god, appearing in the Poetic Edda and in the poetry of skalds. Golden hair is what the sources consistently give her. What her name truly means is still debated. Whether she was once a goddess of the earth and harvest is disputed. Who she was before she became Thor's wife remains, in both Eddas, unnamed. Scholar Jacob Grimm, writing in the 19th century, stated plainly that 'we ought to have fuller details about Sif.' These details, he admitted, are 'wholly wanting in our mythology.'

• 2. A Name Rooted in Kinship

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  Sif's name, in Old Norse, is the singular form of the word sifjar. In its plural form, sifjar denotes kinship and connection by marriage. The word appears not only in poetry and mythology but also in Old Norse records of law. Scholar John Lindow translates it as 'in-law-relationship.' Andy Orchard gives 'relation,' and Rudolf Simek provides 'relation by marriage.' Cognates spread across Germanic languages: Gothic sibja, Old High German sippia, and modern German Sippe all share the root. In modern English, the word sib carries meanings of affinity and family connection. The compound byggja sifjar appears in Old Norse, meaning 'to marry.'

  Snorri Sturluson, in the Prose Edda's Prologue, identifies Sif as 'a prophetess called Sibyl,' placing her in his euhemerized account of Norse mythology's origins. He lists her ancestral line as unknown and records that she and Thor produced a son named Lóriði, who 'took after his father.' Sif also had a son named Ullr from a previous relationship, his father unnamed by either Edda. The Prose Edda describes Ullr as a peerless bowman and skier, so accomplished that no one could compete with him. Rudolf Simek theorizes that Sif's name may have originally meant nothing more than 'the wife of Thor.'

• 3. When Loki Struck at Sif

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  In the Prose Edda book Skáldskaparmál, Loki cuts off Sif's hair as a prank. When Thor discovers this, he seizes Loki and threatens worse. Loki swears to have golden locks fashioned to replace what he took. He commissions the work from the Sons of Ivaldi, a group of dwarfs. The Sons of Ivaldi deliver the golden headpiece but do not stop there. Alongside it, they forge Gungnir, the spear of Odin, and the great ship Skíðblaðnir for Freyr.

  The boar Gullinbursti, the ring Draupnir, and the hammer Mjöllnir emerge from a separate dwarven wager prompted by the same incident. Gullinbursti went to Freyr; Draupnir, described as a multiplying ring, went to Odin; and Mjöllnir went to Thor. Scholar John Lindow notes that Sif's central role in this sequence is easy to overlook. Her shorn locks set in motion the creation of the most important and powerful items in Norse mythology.

  Skáldskaparmál also records the boast of Hrungnir, described as the strongest of the jötnar. In a drunken state, he declared a desire to take both Sif and Freyja home with him. Thor met him at the duel and killed him quickly before those plans advanced.

• 4. Accusations and Silence

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  In stanzas 53 and 54 of Lokasenna, a poem in the Poetic Edda, Sif pours Loki a crystal cup of mead. She does this during his extended series of insults toward the gods, and then she addresses him directly. Sif tells Loki there is nothing he can say that applies to her alone. Loki responds by claiming she has had an affair with him. Sif does not answer. The exchange moves to the next deity, Beyla. The scene ends with Sif's silence.

  Carolyne Larrington notes that Sif is not attested elsewhere as unfaithful. In Hárbarðsljóð, Odin appears in disguise as Hárbarðr and meets Thor at an inlet of a gulf. Among a string of insults during their flyting contest, Hárbarðr claims that Sif has a lover at home. Thor calls Hárbarðr careless for saying 'what seems worst to me' and accuses him of lying. Larrington sees a potential link between these accusations and the prank Loki played on Sif. 'How he got close enough to carry this out,' she writes, 'might be explained by this verse.'

  N. A. Nielsen was among several scholars to propose an identity for Sif's first husband, the father of Ullr. Nielsen suggested she was once married to Njord, before the Æsir-Vanir War. Rudolf Simek dismissed that identification as 'very precarious.'

• 5. Earth, Grain, and Rowan

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  Jacob Grimm, writing in the 19th century, proposed that Sif was once a far larger divine presence across Germanic cultures. He connected her golden hair to the Old Norse herb name haddr Sifjar, referring to the plant Polytrichum aureum. Interpreters of his time saw in that golden hair 'the golden fruits of the Earth burnt up by fire and growing again.' They compared Sif to Ceres, the Roman goddess of grain. Grimm also pointed to the Old Slavic Siva, glossed in his sources as Ceres dea frumenti, as a possible cognate. Etymological problems prevented him from drawing firm conclusions.

  Scholar Guðbrandur Vigfússon was more confident. He theorized that Sif 'betokens mother earth with her golden sheaves of grain.' Vigfússon also called her 'the goddess of the sanctity of the family and wedlock.' H. R. Ellis Davidson agreed with the earth-goddess reading. She described Thor's marriage to Sif as 'a memory of the ancient symbol of divine marriage between sky god and earth goddess.' Davidson noted that stone axes from the distant past had been placed by farmers in holes drilled to receive the first seed of spring. The practice connected Thor's domain directly to the fertility of the soil.

  Rudolf Simek rejected these theories. He dismissed the link between Sif's hair and grain as 'over-zealous interpretation.' Simek theorized that Snorri himself invented the shorn-hair story to explain the origins of various divine attributes.

  Sif has also been linked to Ravdna, the consort of the Sami thunder god Horagalles. Red berries of rowan were sacred to Ravdna. The Prose Edda's Skáldskaparmál calls the rowan 'the salvation of Thor' because he once clung to it to save himself. Some scholars have proposed that Sif was once conceived in the form of a rowan tree. Uno Harva raised doubts about Ravdna altogether. Ravdna appears only in the writings of Jacob Fellman. Harva suggested Fellman may have been constructing a Sami equivalent of the Finnish thunder god's wife rather than recording genuine tradition. Jacob Grimm separately recorded that 19th-century residents of Värmland, Sweden called Thor's wife godmor, meaning 'good mother.'

• 6. Echoes in Unexpected Places

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  In the Old English poem Beowulf, a passage in lines 2016 to 2018 shows Hroðgar's wife Wealhþeow serving mead to warriors. She moves through the hall smoothing conflict. Scholar Magnus Olsen was the first to compare this scene to Sif's role at the feast in Lokasenna. Richard North developed the parallel further. He noted that the word sib is personified unusually in Beowulf, not only in those lines but again in lines 2599 to 2661. North concludes that both passages suggest the Beowulf poet had access to Danish legends about a figure like Sif in sixth-century Scandinavia.

  A volcano on the planet Venus has been named Sif Mons after the goddess. In modern popular culture, her characterization has shifted far toward the martial. The Marvel Comics character based on her is portrayed by Jaimie Alexander in the film Thor and its sequel. Alexander also plays the role in Agents of S.H.I.E.L.D. and in the Loki episode The Nexus Event. In that episode, the hair-shearing incident is loosely adapted. In Santa Monica Studio's 2022 video game God of War Ragnarök, Lady Sif is voiced by Emily Rose.

  The original sources never described Sif as a warrior. In the kenning tradition recorded in Skáldskaparmál, Sif herself served as a heiti, a poetic synonym for earth itself. In Hymiskviða, Thor is named 'Husband of Sif' not once but three times.