The Green Knight (fairy tale) In all, they marry. The Green Knight (fairy tale) The Green Knight is a Danish fairy tale, collected by Svend Grundtvig (1824-1883) in "Danish Fairy Tales" (18??) and by Evald Tang Kristensen (1843-1929) in "Eventyr fra Jylland" (1881). Andrew Lang included a translation of Kristensen's version in "The Olive Fairy Book" (1907). This tale combines Aarne-Thompson type 510A with type 425N, the bird husband, and type 432, the prince as bird. Others of the first type include "Cinderella", The Sharp Grey Sheep, The Golden Slipper, The Story of Tam and Cam, Rushen Coatie, Fair, Brown and Trembling, and Katie Woodencloak;
Fairy tale Fairy tales with very similar plots, characters, and motifs are found spread across many different cultures. Many researchers hold this to be caused by the spread of such tales, as people repeat tales they have heard in foreign lands, although the oral nature makes it impossible to trace the route except by inference. Folklorists have attempted to determine the origin by internal evidence, which can not always be clear; Joseph Jacobs, comparing the Scottish tale "The Ridere of Riddles" with the version collected by the Brothers Grimm, "The Riddle", noted that in "The Ridere of Riddles" one hero ends up