Further studies by Hans-Jörg Uther and Waldemar Liungman confirm Thompson's assessment, since the tale can be found in Norway (with the title Kongsdatteren i haugen, or "The King's Daughter in the Mound"), Iceland, Sweden and Finland, as well as in northwest Germany.
Further studies by Hans-Jörg Uther and Waldemar Liungman validate Thompson's evaluation, as the story can be found in Norway (under the title Kongsdatteren i haugen or "The King's Daughter in the Mound"), Iceland, Sweden, Finland, and northwest Germany.