Notes
"Lifthrasir" name is from Norse mythology.
In Norse mythology, Lif and Lifthrasir (also spelled Life and Leifthrasir) were two people designated to be the sole human survivors after Ragnarok, the battle at the end of the world. In the battle of Ragnarok, all the gods were doomed to be destroyed, but the forces of evil would also be killed. The woman Lif and the man Lifthrasir would survive the cataclysm. ... Their progeny would repopulate the reborn Earth." Source: https://kids.britannica.com/students/article/Lif-and-Lifthrasir/312183.
See also: https://www.britannica.com/event/Ragnarok#ref164876
Scholarly references: Líf and Lífþrasir are mentioned in the Poetic Edda, which was compiled in the 13th century from earlier traditional sources, and the Prose Edda, written in the 13th century by Snorri Sturluson. Many scholars have speculated as to the underlying meaning and origins of both names.
