"The Erlking as a character has its origins in a common European folkloric archetype, the seductive but deadly fairy or siren (compare La Belle Dame sans Merci and the nix).[1] In its original form in Scandinavian folklore, the character was a female spirit, the elf-king's daughter (Elverkongens datter). Similar stories existed in numerous ballads throughout Scandinavia in which an elverpige (female elf) was responsible for ensnaring human beings to satisfy their desire, jealousy and lust…