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In other words, depending on the manuscript, either Jǫrð or Nátt is the mother of Dagr and partner of Dellingr.
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However, scholar Haukur Thorgeirsson points out that the four manuscripts of Gylfaginning vary in their descriptions of the family relations between Nótt, Jǫrð, Dagr, and Dellingr. Nótt rides before Dagr, and foam from her horse Hrímfaxi's bit sprinkles the earth. Odin took Nótt and her son Dagr, placed them into the sky with a chariot and a horse each, and they ride around the earth every 24 hours.
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Finally, Nótt marries the god Dellingr, and the couple have Dagr, who takes after his "father's people" in brightness and fairness. Nótt's second marriage was to Annarr, resulting in their daughter Jǫrð, the personified earth. Her first marriage was with Naglfari, and the two produced a son by the name of Auðr. Nótt is described as "black and swarthy", and has had three marriages. In chapter 10, the enthroned figure of High states that Nótt is the daughter of a jötunn from Jǫtunheimr by the name of " Norfi or Narfi". In the Prose Edda book Gylfaginning, Nótt is again personified. Hail to the Æsir! Hail to the Asyniur! Hail to the bounteous earth! Words and wisdom give to us noble twain, and healing hands while we live! Prose Edda Hail to the Day! Hail to the sons of Day! To Night and her daughter hail! With placid eyes behold us here, and here sitting give us victory. The first verse of this prayer features a reference to the "sons of Dagr" and the "daughter of Nótt": In Sigrdrífumál, after the valkyrja Sigrdrífa is woken from her sleep curse by the hero Sigurðr, Sigurðr asks her name, and she gives him a "memory-drink" of a drinking horn full of mead, and then Sigrdrifa says a heathen prayer. Alvíss responds that night is referred as "night" by mankind, "darkness" by the gods, "the masker" by the mighty Powers, "unlight" by the jötunn, "joy-of-sleep" by the elves, while dwarves call her "dream- Njǫrun" (meaning "dream-goddess"). In stanza 30 of the poem Alvíssmál, the god Þórr asks the dwarf Alvíss to tell him what night is called in each of the nine worlds, whom " Nórr" birthed. In stanza 14 of the Vafþrúðnismál, Odin states that the horse Hrímfaxi "draws every night to the beneficent gods" and that he lets foam from his bit fall every morning, from which dew comes to the valleys. In stanza 25, Vafþrúðnir responds:ĭelling hight he who the day's father is, but night was of Nörvi born the new and waning moons the beneficent powers created, to count the years for men.
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In stanza 24 of the poem Vafþrúðnismál, the god Óðinn (disguised as " Gagnráðr") asks the jǫtunn Vafþrúðnir from where the day comes, and the night and its tides.
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